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Adjustable & Expansion Reamers

Adjustable and expansion reamers are precision cutting tools used for enlarging, finishing, or maintaining the size and accuracy of pre-drilled holes in various materials. Featuring adjustable cutting blades, these reamers offer greater flexibility and adaptability in machining operations, making them ideal for industries requiring precise hole dimensions and surface finishes.
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#6076343
B3340
Dormer Pramet B3340 0052150 expanding hand reamer with 5 flutes, made from High Speed Steel (HSS). Designed for precision hand reaming applications, this reamer provides smooth and accurate hole finishing. Suitable for general-purpose use in a variety of materials.
Brand Dormer Pramet
Model B3340
$169.33 Each
Free Shipping orders over $100
#6076344
B33400
Dormer B33400 0052167 expanding hand reamer with 4 flutes, made from High Speed Steel (HSS). Designed for precision reaming of pre-drilled holes, this reamer provides accurate sizing and smooth finish in a variety of materials. Suitable for manual operation in maintenance and toolroom applications.
Brand Dormer Pramet
Model B33400
$169.33 Each
Free Shipping orders over $100
#6076345
B334000
Dormer B334000 0052174 expanding hand reamer with 4 flutes, made from High Speed Steel (HSS). Designed for precision reaming of pre-drilled holes, this reamer features an expanding design for adjustable sizing. Suitable for general-purpose reaming in a variety of materials.
Brand Dormer Pramet
Model B334000
$169.33 Each
Free Shipping orders over $100
#6076346
B3341
Dormer B3341 0052181 expanding hand reamer, 5-flute, High Speed Steel (HSS), internal designation No. 1. Designed for precision hand reaming of through and blind holes, this reamer features an expanding design for adjustable sizing and extended tool life. Suitable for general-purpose applications in a range of materials.
Brand Dormer Pramet
Model B3341
$179.56 Each
Free Shipping orders over $100
#6076347
B33410
Dormer B33410 0052198 machine reamer with 5 flutes, N10 internal designation, and High Speed Steel (HSS) construction. Designed for precision reaming operations in machine applications.
Brand Dormer Pramet
Model B33410
$387.11 Each
Free Shipping orders over $100
#6076348
B33411
Dormer B33411 0052204 expanding hand reamer, 6 flutes, N11 internal designation, High Speed Steel (HSS) construction. Designed for precision reaming of pre-drilled holes, this reamer features an expandable design for fine size adjustment. Suitable for general-purpose reaming in a wide range of materials.
Brand Dormer Pramet
Model B33411
$542.22 Each
Free Shipping orders over $100
#6076349
B33412
Dormer B33412 0052211 expanding hand reamer, 6-flute, HSS, internal designation N12. Designed for precision reaming of pre-drilled holes, this reamer features an expanding design for adjustable sizing. High Speed Steel construction provides durability and wear resistance for general-purpose applications.
Brand Dormer Pramet
Model B33412
$701.78 Each
Free Shipping orders over $100
#6076350
B33413
Dormer B33413 0140819 expanding hand reamer, 6-flute, internal designation N13, made from High Speed Steel (HSS). Designed for precision hand reaming operations, this reamer provides accurate hole sizing and finishing in a variety of materials.
Brand Dormer Pramet
Model B33413
$951.11 Each
Free Shipping orders over $100
#6076351
B33414
Dormer B33414 0140826 expanding hand reamer, 6 flutes, internal designation N14, High Speed Steel (HSS). Designed for precision reaming of pre-drilled holes, this reamer features an expanding design for adjustable sizing and a straight flute configuration for efficient chip evacuation.
Brand Dormer Pramet
Model B33414
$1,216.44 Each
Free Shipping orders over $100
#6076352
B33415
Dormer B33415 0140833 expanding hand reamer with 8 flutes, internal designation number 15, and High Speed Steel (HSS) construction. Designed for precision reaming of pre-drilled holes, this reamer provides smooth, accurate finishes in a variety of materials. Suitable for general engineering applications where hand reaming is required.
Brand Dormer Pramet
Model B33415
$1,872.44 Each
Free Shipping orders over $100
#6076353
B33416
Dormer B33416 0140840 expanding hand reamer, 8 flutes, internal designation N16, High Speed Steel (HSS). Designed for precision hand reaming operations, this reamer provides smooth, accurate hole finishing in a variety of materials.
Brand Dormer Pramet
Model B33416
$2,606.67 Each
Free Shipping orders over $100
#6076354
B3342
Dormer Pramet B3342 0052228 expanding hand reamer with 5 flutes, internal designation number 2, made from High Speed Steel (HSS). Designed for precision reaming of pre-drilled holes to exact tolerances in manual operations. Suitable for general-purpose reaming in a variety of materials.
Brand Dormer Pramet
Model B3342
$179.56 Each
Free Shipping orders over $100
#6076355
B3343
Dormer Pramet B3343 0052235 expanding hand reamer with 5 flutes, HSS construction, and internal designation N3. Designed for precision reaming of pre-drilled holes, this reamer provides smooth, accurate finishes in a variety of materials. The expanding design allows for fine adjustment to achieve exact hole sizes, making it suitable for maintenance and toolroom applications.
Brand Dormer Pramet
Model B3343
$179.56 Each
Free Shipping orders over $100
#6076356
B3344
Dormer B3344 0052242 expanding hand reamer with 5 flutes, No. 4 internal designation, and HSS construction. Designed for precision hand reaming operations, this reamer provides accurate hole sizing and finishing in a range of materials. The expanding design allows for adjustable cutting diameter to accommodate wear and achieve tight tolerances.
Brand Dormer Pramet
Model B3344
$200.00 Each
Free Shipping orders over $100
#6076357
B3345
Dormer B3345 0052259 expanding hand reamer with 5 flutes, HSS construction, and N5 internal designation. Designed for precision reaming of pre-drilled holes, this reamer provides smooth, accurate finishes in a range of materials. Suitable for manual operation in maintenance and toolroom applications.
Brand Dormer Pramet
Model B3345
$221.78 Each
Free Shipping orders over $100
#6076359
B3347
Dormer B3347 0052273 expanding hand reamer with 5 flutes, N7 internal designation, and High Speed Steel (HSS) construction. Designed for precision reaming operations in machine applications.
Brand Dormer Pramet
Model B3347
$250.67 Each
Free Shipping orders over $100
#6076360
B3348
Dormer B3348 0052280 machine reamer, 5-flute, High Speed Steel (HSS), internal designation N8. Expanding hand reamer for precision hole sizing and finishing in metalworking applications.
Brand Dormer Pramet
Model B3348
$301.33 Each
Free Shipping orders over $100
#6076361
B3349
Dormer B3349 0052297 expanding hand reamer with 5 flutes, HSS construction, and N9 internal designation. Designed for precision reaming of pre-drilled holes, this reamer provides accurate sizing and smooth finish in a variety of materials. Suitable for manual reaming applications where controlled expansion is required.
Brand Dormer Pramet
Model B3349
$316.89 Each
Free Shipping orders over $100
#6076362
B335000BLADES
Dormer B335000BLADES 0052327 expanding hand reamer spare parts for B334 series. Replacement blades designed for expanding hand reamers, ensuring precise hole sizing and finishing in maintenance and repair applications.
Brand Dormer Pramet
Model B335000BLADES
$111.11 Each
Free Shipping orders over $100
#6076364
B33500BLADES
Dormer B33500BLADES 0052310 expanding hand reamer spare parts, 00 blades for B334 series. Precision replacement blades for expanding hand reamers, ensuring accurate hole sizing and finishing in metalworking applications.
Brand Dormer Pramet
Model B33500BLADES
$111.11 Each
Free Shipping orders over $100
#6076366
B3350BLADES
Dormer B3350BLADES 0052303 spare blades for B334 expanding hand reamer. Replacement blades designed for use with Dormer B334 series expanding hand reamers, enabling size adjustment and extended tool life. Precision-ground for accurate reaming performance.
Brand Dormer Pramet
Model B3350BLADES
$111.11 Each
Free Shipping orders over $100
#6076368
B33510BLADES
Dormer B33510BLADES 0052341 expanding hand reamer spare blades, 10 pack. Replacement blades for B334 series expanding hand reamers. Precision ground for consistent reaming performance.
Brand Dormer Pramet
Model B33510BLADES
$264.00 Each
Free Shipping orders over $100
#6076376
B33514BLADES
Dormer B33514BLADES 0144596 spare blades for B334 expanding hand reamer, 14 blades. Replacement blades for Dormer B334 series expanding hand reamers, ensuring precise hole sizing and finishing in metalworking applications.
Brand Dormer Pramet
Model B33514BLADES
$712.00 Each
Free Shipping orders over $100
#6076378
B33515BLADES
Dormer B33515BLADES 0144602 expanding hand reamer spare blades, 15 blades for B334 series reamers. Precision replacement blades for expanding hand reamers, ensuring accurate hole sizing and finishing in metalworking applications.
Brand Dormer Pramet
Model B33515BLADES
$1,116.44 Each
Free Shipping orders over $100
#6076379
B33515NUT
Dormer B33515NUT 0144794 expanding hand reamer spare parts nut for B334 series. Designed as a replacement component for Dormer B334 expanding hand reamers, this nut ensures proper adjustment and secure blade retention during reaming operations. Suitable for maintenance and repair of B334 reamer tools.
Brand Dormer Pramet
Model B33515NUT
$86.67 Each
Free shipping
#6076380
B33516BLADES
Dormer B33516BLADES 0144619 expanding hand reamer spare blades, 16 pack for B334 series. Replacement blades for expanding hand reamers, designed for precision reaming operations. Suitable for maintenance and repair of existing reamer bodies.
Brand Dormer Pramet
Model B33516BLADES
$1,317.33 Each
Free Shipping orders over $100
#6076381
B33516NUT
Dormer B33516NUT 0144800 expanding hand reamer spare part, 16 NUT for B334 series. Precision component for maintaining and repairing Dormer expanding hand reamers.
Brand Dormer Pramet
Model B33516NUT
$170.22 Each
Free Shipping orders over $100
#6076382
B3351BLADES
Dormer B3351BLADES 0052334 spare blades for B334 expanding hand reamer. Replacement blade set designed for use with Dormer B334 series expanding hand reamers. Precision ground for accurate hole sizing and finishing in metalworking applications.
Brand Dormer Pramet
Model B3351BLADES
$123.56 Each
Free Shipping orders over $100
#6076386
B3353BLADES
Dormer B3353BLADES 0052389 expanding hand reamer spare blades, 3 blades, for B334 series. Replacement blades for Dormer B334 expanding hand reamers, designed for precision hole sizing and finishing in maintenance and toolroom applications.
Brand Dormer Pramet
Model B3353BLADES
$129.33 Each
Free Shipping orders over $100
#6076388
B3354BLADES
Dormer B3354BLADES 0052396 spare blades for B334 expanding hand reamer, 4 blades. Designed as replacement parts for Dormer B334 series expanding hand reamers, these blades restore cutting performance and dimensional accuracy in reaming operations. Suitable for maintenance and repair of existing reamer bodies.
Brand Dormer Pramet
Model B3354BLADES
$144.89 Each
Free Shipping orders over $100
#6076390
B3355BLADES
Dormer B3355BLADES 0052402 expanding hand reamer spare blades, 5 blades, for B334 series. Replacement blades for Dormer B334 expanding hand reamers. Precision ground for accurate hole sizing and finishing in metalworking applications.
Brand Dormer Pramet
Model B3355BLADES
$150.22 Each
Free Shipping orders over $100
#6076392
B3356BLADES
Dormer B3356BLADES 0052419 expanding hand reamer spare blades, 6 blades, for use with B334 series expanding hand reamers. Precision replacement blades for maintaining reamer performance.
Brand Dormer Pramet
Model B3356BLADES
$162.22 Each
Free Shipping orders over $100
#6076394
B3357BLADES
Dormer B3357BLADES 0052426 expanding hand reamer spare blades, 7 blades, for B334 series. Replacement blades for Dormer B334 expanding hand reamers, designed for precision reaming operations. Suitable for maintenance and repair of existing reamer sets.
Brand Dormer Pramet
Model B3357BLADES
$174.67 Each
Free Shipping orders over $100
#6076398
B3359BLADES
Dormer B3359BLADES 0052440 expanding hand reamer spare blades, 9-pack for B334 series. Replacement blades for expanding hand reamers, designed for precision hole sizing and finishing in metalworking applications.
Brand Dormer Pramet
Model B3359BLADES
$221.78 Each
Free Shipping orders over $100
#6076492
B95525.0
Dormer B95525.0 0054086 shell machine reamer, 25.00mm cutting diameter, 8 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 13mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction allows mounting on a separate arbor for cost-effective tooling.
Brand Dormer Pramet
Model B95525.0
$164.89 Each
Free Shipping orders over $100
#6076493
B95526.0
Dormer B95526.0 0054093 shell machine reamer, 26.00 mm cutting diameter, 8 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 13 mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction allows mounting on a separate arbor for cost-effective tooling.
Brand Dormer Pramet
Model B95526.0
$181.33 Each
Free Shipping orders over $100
#6076494
B95527.0
Dormer B95527.0 0054109 machine reamer with 27.00mm cutting diameter, 8 flutes, and 13mm connection diameter. Cobalt High Speed Steel (HSS-E) construction for heat resistance and wear life. DIN 219 standard shell reamer achieves H7 hole tolerance in through-hole and blind-hole applications.
Brand Dormer Pramet
Model B95527.0
$184.89 Each
Free Shipping orders over $100
#6076495
B95528.0
Dormer B95528.0 0054116 machine reamer, 28.00mm cutting diameter, 8 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 13mm connection diameter. Shell reamer for precision finishing of bores in steel, stainless steel, and cast iron.
Brand Dormer Pramet
Model B95528.0
$200.00 Each
Free Shipping orders over $100
#6076496
B95529.0
Dormer B95529.0 0054123 shell machine reamer, 29.00mm cutting diameter, 8 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 13mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction allows mounting on a separate arbor for cost-effective tooling.
Brand Dormer Pramet
Model B95529.0
$184.89 Each
Free Shipping orders over $100
#6076497
B95530.0
Dormer B95530.0 0054130 machine reamer, 30.00mm cutting diameter, 8 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 13mm connection diameter. Shell reamer for precision finishing of bores in steel, stainless steel, and cast iron. Achieves tight H7 tolerance for high-accuracy hole sizing in machine shop and production environments.
Brand Dormer Pramet
Model B95530.0
$235.11 Each
Free Shipping orders over $100
#6076498
B95531.0
Dormer B95531.0 0054147 machine reamer, 31.00mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard. Shell reamer design with 16mm connection diameter, achieves H7 hole tolerance. Suitable for precision reaming of through and blind holes in steel, stainless steel, and cast iron.
Brand Dormer Pramet
Model B95531.0
$270.67 Each
Free Shipping orders over $100
#6076499
B95532.0
Dormer B95532.0 0054154 machine reamer, 32.00mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E) construction, DIN 219 standard, H7 hole tolerance, 16mm connection diameter. Shell reamer design for precision reaming operations in through and blind holes.
Brand Dormer Pramet
Model B95532.0
$223.11 Each
Free Shipping orders over $100
#6076500
B95534.0
Dormer B95534.0 0054161 machine reamer, 34.00mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 16mm connection diameter. Shell reamer for precision reaming of through and blind holes in steel, stainless steel, and cast iron.
Brand Dormer Pramet
Model B95534.0
$246.22 Each
Free Shipping orders over $100
#6076501
B95535.0
Dormer B95535.0 0054178 machine reamer, 35.00mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 16mm connection diameter. Shell reamer design for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Achieves high surface finish and tight dimensional accuracy in production machining.
Brand Dormer Pramet
Model B95535.0
$258.22 Each
Free Shipping orders over $100
#6076502
B95536.0
Dormer B95536.0 0054185 shell machine reamer, 36.00mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 19mm connection diameter. Designed for precision reaming of through and blind holes in steel, cast iron, and non-ferrous materials. Shell construction allows economical replacement of the cutting head while retaining the arbor.
Brand Dormer Pramet
Model B95536.0
$269.33 Each
Free Shipping orders over $100
#6076503
B95537.0
Dormer B95537.0 0054192 machine reamer, 37.00mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard. Shell reamer design with 19mm connection diameter, achieves H7 hole tolerance. Suitable for precision reaming in steel, stainless steel, and cast iron.
Brand Dormer Pramet
Model B95537.0
$260.89 Each
Free Shipping orders over $100
#6076504
B95538.0
Dormer B95538.0 0054208 shell machine reamer, 38.00mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E) construction, DIN 219 standard, H7 hole tolerance, 19mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron materials.
Brand Dormer Pramet
Model B95538.0
$256.89 Each
Free Shipping orders over $100
#6076505
B95540.0
Dormer B95540.0 0054215 machine reamer, 40.00mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 19mm connection diameter. Shell reamer for precision finishing of bores in steel, stainless steel, and cast iron. Suitable for through-hole and blind-hole reaming operations.
Brand Dormer Pramet
Model B95540.0
$250.67 Each
Free Shipping orders over $100
#6076506
B95542.0
Dormer B95542.0 0054222 machine reamer, 42.00 mm cutting diameter, 10 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard. Achieves H7 hole tolerance with 19 mm connection diameter. Shell reamer design for precision finishing of bores in steel, stainless steel, and cast iron.
Brand Dormer Pramet
Model B95542.0
$312.00 Each
Free Shipping orders over $100
#6076507
B95544.0
Dormer B95544.0 0054239 machine reamer, 44.00mm cutting diameter, 12 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 22mm connection diameter. Shell reamer for precision finishing of bores in steel, stainless steel, and cast iron.
Brand Dormer Pramet
Model B95544.0
$377.78 Each
Free Shipping orders over $100
#6076509
B95548.0
Dormer B95548.0 0054277 shell machine reamer, 48.00mm cutting diameter, 12 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 22mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction for economical use on large diameters.
Brand Dormer Pramet
Model B95548.0
Obsolete
#6076510
B95550.0
Dormer B95550.0 0054284 shell machine reamer, 50.00mm cutting diameter, 12 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 22mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction for economical use on large diameters.
Brand Dormer Pramet
Model B95550.0
$361.33 Each
Free Shipping orders over $100
#6076512
B95555.0
Dormer B95555.0 0054307 shell machine reamer, 55.00mm cutting diameter, 12 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 27mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction allows mounting on a separate arbor for cost-effective large-diameter reaming operations.
Brand Dormer Pramet
Model B95555.0
$480.44 Each
Free Shipping orders over $100
#6076513
B95558.0
Dormer B95558.0 0054314 shell machine reamer, 58.00 mm cutting diameter, 12 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 27 mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction for economical use on large diameters.
Brand Dormer Pramet
Model B95558.0
$555.11 Each
Free Shipping orders over $100
#6076514
B95560.0
Dormer B95560.0 0054321 shell machine reamer, 60.00mm cutting diameter, 12 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 27mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction for economical use on large diameters.
Brand Dormer Pramet
Model B95560.0
$442.22 Each
Free Shipping orders over $100
#6076515
B95565.0
Dormer B95565.0 0141083 shell machine reamer, 65.00mm cutting diameter, 14 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 32mm connection diameter. Designed for precision reaming of through and blind holes in steel, stainless steel, and cast iron. Shell construction allows mounting on a separate arbor for cost-effective large-diameter reaming.
Brand Dormer Pramet
Model B95565.0
$680.44 Each
Free Shipping orders over $100
#6076516
B95570.0
Dormer B95570.0 0141090 machine reamer, 70.00 mm cutting diameter, 14 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 32 mm connection diameter. Shell reamer for precision finishing of bores in steel, stainless steel, and cast iron.
Brand Dormer Pramet
Model B95570.0
$832.89 Each
Free Shipping orders over $100
#6076518
B95580.0
Dormer B95580.0 0141113 shell machine reamer, 80.00mm cutting diameter, 14 flutes, Cobalt High Speed Steel (HSS-E), DIN 219 standard, H7 hole tolerance, 40mm connection diameter. Designed for precision reaming of through and blind holes in steel, cast iron, and non-ferrous materials. Shell construction allows mounting on a separate arbor for cost-effective large-diameter reaming operations.
Brand Dormer Pramet
Model B95580.0
$1,023.11 Each
Free Shipping orders over $100
#6076541
B957N8DRIVER
Dormer B957N8DRIVER shell reamer arbor, N8 driver, 32mm connection diameter. Spare part for B956 shell reamers, designed for secure mounting and precise alignment in machine reaming operations.
Brand Dormer Pramet
Model B957N8DRIVER
$116.00 Each
Free Shipping orders over $100
#6076544
B957N9DRIVER
Dormer B957N9DRIVER shell reamer arbor N9 driver, 40mm connection diameter. Spare part for B956 series shell reamers, designed to securely mount shell reamers onto machine spindles for precision reaming operations.
Brand Dormer Pramet
Model B957N9DRIVER
$139.56 Each
Free Shipping orders over $100