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Precision Twist Drill

Known as Precision Twist Drill (PTD) since 1952. Today, they’re simply Precision—carrying forward the same reliability customers have always known. Precision is a trusted manufacturer of high-quality cutting tools with a rich legacy rooted in North American manufacturing, Precision offers a broad range of high-speed steel and carbide drills designed for performance, accuracy, and durability. From general-purpose applications to demanding industrial jobs, machinists across generations rely on Precision for tools that deliver consistent results. As part of the Dormer Pramet family, Precision continues to combine heritage craftsmanship with global innovation to serve today's machining and maintenance professionals.
 

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#6084648
6481072
Precision Twist Drill 301JDSET29 6481072 29-piece HSS jobber drill set with black oxide finish and 118° point. Sizes 1/16 to 1/2 inch in 64th increments, ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 4xD.
Brand Precision Twist Drill
Model 6481072
$156.11 Each
Free Shipping orders over $100
#6084800
6481073
Precision Twist Drill 321MDSET29 6481073 29-piece HSS mechanics length drill set with steam tempered/bronze finish and 135° point. Sizes 1/16-1/2 in x 64ths, ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 2.5xD.
Brand Precision Twist Drill
Model 6481073
$234.16 Each
Free Shipping orders over $100
#6084874
5995681
Precision Twist Drill C115COMBPSET 5995681 115-piece HSS jobber drill set with bright finish and 118° point. Includes fractional sizes 1/16-1/2 inch by 64ths, wire gauge sizes N1-N60, and letter sizes A-Z. Cylindrical shank, standard spiral, right-hand cut, ANSI standard. Styles R10P, R18P, R15P.
Brand Precision Twist Drill
Model 5995681
$562.46 Each
Free Shipping orders over $100
#6084875
5995683
Precision Twist Drill C115COMBSET 5995683 115-piece HSS jobber drill set with black oxide finish and 118° point. Includes fractional sizes 1/16-1/2 in x 64ths, wire gauge N1-N60, and letter A-Z. Cylindrical shank, standard spiral, right-hand cut, ANSI standard. Styles R10, R18, R15.
Brand Precision Twist Drill
Model 5995683
$560.13 Each
Free Shipping orders over $100
#6084880
5995593
Precision Twist Drill C26R15PSET 5995593 26-piece HSS jobber drill set with black oxide finish and 118° point. Letter A-Z sizes, ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 4xD.
Brand Precision Twist Drill
Model 5995593
$194.32 Each
Free Shipping orders over $100
#6084881
C26R15SET
Precision Twist Drill C26R15SET 099983 26-piece HSS jobber drill set with black oxide finish and 118° point. Cylindrical shank, standard spiral, right-hand cut, ANSI standard. Usable length 4".
Brand Precision Twist Drill
Model C26R15SET
$175.68 Each
Free Shipping orders over $100
#6084882
5995624
Precision Twist Drill C29R10PSET 5995624 29-piece HSS jobber drill set with bright finish and 118° point, sizes 1/16-1/2 in x 64ths. Cylindrical shank, standard spiral, right-hand cut, ANSI standard. Usable length 4xD.
Brand Precision Twist Drill
Model 5995624
$180.81 Each
Free Shipping orders over $100
#6084883
5995628
Precision Twist Drill C29R10SET 5995628 29-piece HSS jobber drill set with black oxide finish and 118° point. Sizes 1/16 to 1/2 inch by 64ths, ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 4xD.
Brand Precision Twist Drill
Model 5995628
$180.81 Each
Free Shipping orders over $100
#6084884
5995672
Precision Twist Drill C60R18PSET 5995672 60-piece HSS jobber drill set with bright finish and 118° point. Wire gauge sizes N1 through N60, ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 4xD.
Brand Precision Twist Drill
Model 5995672
$141.66 Each
Free Shipping orders over $100
#6085214
5995609
Precision Twist Drill C29HX10SET 5995609 29-piece HSS heavy duty jobber drill set with 135° point, Purple/Bronze finish, and ANSI standard. Sizes 1/16-1/2 in x 64ths, cylindrical shank, right-hand cut, standard spiral. Usable length 4xD.
Brand Precision Twist Drill
Model 5995609
$196.19 Each
Free Shipping orders over $100
#6085538
5995520
Precision Twist Drill C15L10SET 5995520 15-piece HSS jobber drill set with black oxide finish and 118° point. Sizes 1/16-1/2 inch by 32nds, left hand cutting, ANSI standard, cylindrical shank, standard spiral. Usable length 4 inches.
Brand Precision Twist Drill
Model 5995520
$267.49 Each
Free Shipping orders over $100
#6085539
5995612
Precision Twist Drill C29L10SET 5995612 29-piece HSS jobber drill set with black oxide finish and 118° point. Sizes 1/16-1/2 in x 64ths, left hand, ANSI standard, cylindrical shank, standard spiral. Usable length 4 in.
Brand Precision Twist Drill
Model 5995612
$509.81 Each
Free Shipping orders over $100
#6085543
5995463
Precision Twist Drill L101/4, part number 5995463, 1/4" (0.25") HSS jobber drill with bright finish and 118° point. 2-3/4" flute length, 4" overall length, ANSI standard, left-hand cut, cylindrical shank.
Brand Precision Twist Drill
Model 5995463
$12.26 Each
Free shipping
#6085562
5995495
Precision Twist Drill L1031/64, part number 5995495, 31/64" (0.4844") HSS jobber drill with bright finish and 118° point. 4-3/8" flute length, 5-7/8" overall length, ANSI standard, left-hand cut, cylindrical shank.
Brand Precision Twist Drill
Model 5995495
$41.76 Each
Free shipping
#6085736
5995604
Precision Twist Drill C26R42SET 5995604 26-piece HSS stub length drill set with bright finish and 118° point. Letter A-Z sizes, ANSI standard, right-hand cut, cylindrical shank, 2.5" usable length. Ideal for short-hole drilling in tight spaces.
Brand Precision Twist Drill
Model 5995604
$203.64 Each
Free Shipping orders over $100
#6085737
5995632
Precision Twist Drill C29R40CSET 5995632 29-piece HSS heavy duty stub drill set with black oxide finish and 135° point. Sizes 1/16-1/2 in x 64ths, NAS907 standard, cylindrical shank, right-hand cut, 2.5" usable length.
Brand Precision Twist Drill
Model 5995632
$180.34 Each
Free Shipping orders over $100
#6085738
5995635
Precision Twist Drill C29R40SET 5995635 29-piece HSS stub length drill set with 118° point, 1/16-1/2 in x 64ths, ANSI standard, right-hand cut, cylindrical shank, steam tempered finish.
Brand Precision Twist Drill
Model 5995635
$181.74 Each
Free Shipping orders over $100
#6085739
5995677
C60R41CSET 5995677 Stub Drill 60pc Set
Brand Precision Twist Drill
Model 5995677
$153.78 Each
Free Shipping orders over $100
#6085740
5995608
Precision Twist Drill C60R41SET 5995608 60-piece HSS stub length drill set with bright finish and 118° point. Includes wire gauge sizes N1 through N60, ANSI standard, right-hand cut, cylindrical shank, 2.5" usable length. Ideal for screw machine and short-hole applications.
Brand Precision Twist Drill
Model 5995608
$206.59 Each
Free Shipping orders over $100
#6085850
5998597
Precision Twist Drill R41CN10, part number 5998597, #10 (0.1935") HSS heavy duty jobber drill with black oxide finish and 135° point. NAS907 standard, right-hand cut, cylindrical shank. 1-3/16" flute length, 2-1/4" overall length. Suitable for steel, stainless steel, cast iron, and high-temperature alloys.
Brand Precision Twist Drill
Model 5998597
$2.88 Each
Free shipping
#6086117
5995639
Precision Twist Drill C29R51SET 5995639 29-piece HSS taper length drill set, 1/16-1/2 in x 64ths, 118° point, ANSI standard, right-hand cut, cylindrical shank, standard spiral, steam tempered finish.
Brand Precision Twist Drill
Model 5995639
$454.05 Each
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#6086332
6000319
R55R 6000319 Taper Length Drill Long ANSI R
Brand Precision Twist Drill
Model 6000319
$24.30 Each
Free shipping
#6086675
6001347
Precision Twist Drill 500-1217/64, part number 6001347, 17/64" (0.2656") HSS aircraft extension drill with black oxide finish and 135° point. NAS907 standard, 2-7/8" flute length, 12" overall length, cylindrical shank, right-hand cut. For aerospace holemaking in steel, stainless steel, cast iron, non-ferrous metals, and high-temperature alloys.
Brand Precision Twist Drill
Model 6001347
$24.99 Each
Free shipping
#6086715
6001204
Precision Twist Drill 500-63/8, part number 6001204, 3/8" (0.375") HSS aircraft extension drill with black oxide finish and 135° point. NAS907 standard, 3-5/8" flute length, 6" overall length, cylindrical shank, right-hand cut. For aerospace holemaking in steel, stainless steel, cast iron, non-ferrous metals, and high-temperature alloys.
Brand Precision Twist Drill
Model 6001204
$31.60 Each
Free shipping
#6086748
6001381
Precision Twist Drill 501-12N40, part number 6001381, #40 (0.098") HSS aircraft extension drill with black oxide finish and 135° point. NAS907 standard, 12" overall length, 1-3/8" flute length, cylindrical shank, right-hand cut. For aerospace holemaking in steel, stainless steel, cast iron, non-ferrous metals, and high-temperature alloys.
Brand Precision Twist Drill
Model 6001381
$16.18 Each
Free shipping
#6086852
502-6E
Precision Twist Drill 502-6E aircraft extension drill, part number 058205. Extra length design for deep-hole drilling in aircraft and aerospace applications. Precision ground for accurate hole sizing and extended reach.
Brand Precision Twist Drill
Model 502-6E
$8.84 Each
Free shipping
#6086878
5995647
Precision Twist Drill C33R56SET 5995647 33-piece HSS reduced shank drill set with black oxide finish and 118° point. Includes 1/2" reduced shank and 1/2-1" x 64ths sizes, ANSI standard, right-hand cut, standard spiral, 4" usable length.
Brand Precision Twist Drill
Model 5995647
$1,933.37 Each
Free Shipping orders over $100
#6086879
5995703
Precision Twist Drill C8R56SET 5995703 8-piece HSS reduced shank drill set with black oxide finish and 118° point. Sizes: 1/2" reduced shank, 9/16-1" x 16ths, Silver & Deming. ANSI standard, right-hand cut, standard spiral, reduced cylindrical shank.
Brand Precision Twist Drill
Model 5995703
$478.18 Each
Free Shipping orders over $100
#6086880
6000010
Precision Twist Drill R561 6000010 1" (25.4 mm) HSS reduced shank drill with bright/steam tempered finish and 118° point. 1/2" reduced cylindrical shank, 3" flute length, 6" overall length, ANSI standard, right-hand cut. Jobber length, standard spiral.
Brand Precision Twist Drill
Model 6000010
$85.79 Each
Free shipping
#6086960
6000147
Precision Twist Drill R582 6000147 2" (50.8 mm) HSS reduced shank drill with bright/steam tempered finish and 118° point. 3/4" reduced cylindrical shank, 3" flute length, 6" overall length, ANSI standard, right-hand cut. Jobber length for general purpose drilling in steel, cast iron, and non-ferrous metals.
Brand Precision Twist Drill
Model 6000147
$429.99 Each
Free Shipping orders over $100
#6086961
5995726
Precision Twist Drill C8R57SET 5995726 8-piece HSS reduced shank drill set with black oxide finish and 118° point. Includes 1/2" reduced shank and 9/16-1" x 16ths sizes, ANSI standard, right-hand cut, standard spiral, reduced cylindrical shank.
Brand Precision Twist Drill
Model 5995726
$564.03 Each
Free Shipping orders over $100
#6087026
76HAN6
76HAN6 097606 Center Drill - 60° ANSI N6
Brand Precision Twist Drill
Model 76HAN6
$20.24 Each
Free shipping
#6087230
5995600
Precision Twist Drill C114COMBCSET 5995600 114-piece HSS-E cobalt heavy duty jobber drill set with bronze finish and 135° point. Includes fractional 1/16-1/2 x 64ths, wire gauge N1-N60, and metric 1-13mm x .5 mm sizes. ANSI standard, right-hand cut, cylindrical shank, standard spiral. Styles R10CO, R18CO, 2ACO.
Brand Precision Twist Drill
Model 5995600
$996.31 Each
Free Shipping orders over $100
#6087233
5995524
Precision Twist Drill C15R10COSET 5995524 15-piece HSS-E cobalt heavy duty jobber drill set with bronze finish and 135° point. Sizes 1/16-1/2 x 32nds, ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 4 inches.
Brand Precision Twist Drill
Model 5995524
$172.89 Each
Free Shipping orders over $100
#6087235
5995585
Precision Twist Drill C26M42COSET 5995585 26-piece HSS-E cobalt stub length drill set with bronze finish and 135° point. Includes letter sizes A through Z plus 1/4". ANSI standard, right-hand cut, cylindrical shank, 2.5xD usable length.
Brand Precision Twist Drill
Model 5995585
$338.32 Each
Free Shipping orders over $100
#6087236
5995589
Precision Twist Drill C26R15COSET 5995589 26-piece HSS-E cobalt heavy duty jobber drill set with bronze finish and 135° split point. Includes letter sizes A through Z plus 1/4". ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 4".
Brand Precision Twist Drill
Model 5995589
$332.72 Each
Free Shipping orders over $100
#6087237
5995616
Precision Twist Drill C29M40COSET 5995616 29-piece HSS-E cobalt stub length drill set with bronze finish and 135° point. Sizes 1/16-1/2 in x 64ths, ANSI standard, right-hand cut, cylindrical shank, 2.5" usable length. Ideal for screw machine and short-hole applications.
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Brand Precision Twist Drill
Model 5995616
$316.41 Each
Free Shipping orders over $100
#6087238
5995620
Precision Twist Drill C29R10COSET 5995620 29-piece HSS-E cobalt heavy duty jobber drill set with bronze finish and 135° point. Sizes 1/16-1/2 in x 64ths, ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 4 in.
Brand Precision Twist Drill
Model 5995620
$325.27 Each
Free Shipping orders over $100
#6087239
5995667
Precision Twist Drill C60M41COSET 5995667 60-piece HSS-E cobalt stub length drill set with bronze finish and 135° point. Sizes N1 through N60 wire gauge, ANSI standard, right-hand cut, cylindrical shank, standard spiral. 2.5" usable length. Ideal for screw machine and short-hole applications.
Brand Precision Twist Drill
Model 5995667
$231.60 Each
Free Shipping orders over $100
#6087240
5995670
Precision Twist Drill C60R18COSET 5995670 60-piece HSS-E cobalt heavy duty jobber drill set with bronze finish and 135° point. Includes wire gauge sizes N1 through N60, ANSI standard, right-hand cut, cylindrical shank, standard spiral. Usable length 4 inches.
Brand Precision Twist Drill
Model 5995670
$265.15 Each
Free Shipping orders over $100
#6087241
5995682
Precision Twist Drill C8R56COSET 5995682 8-piece HSS-E cobalt reduced shank drill set with steam tempered/bronze finish and 118° point. Includes 1/2" reduced shank and 9/16-1" x 16ths S&D sizes. ANSI standard, right-hand cut, standard spiral, reduced cylindrical shank.
Brand Precision Twist Drill
Model 5995682
$576.91 Each
Free Shipping orders over $100
#6087275
CO501-12N27
Precision Twist Drill CO501-12N27, part number 052827, #27 (0.144") HSS-E Cobalt aircraft extension drill with bronze finish and 135° point. NAS907 standard, 1-7/8" flute length, 12" overall length, 4" usable length, right-hand cut, cylindrical shank.
Brand Precision Twist Drill
Model CO501-12N27
$16.85 Each
Free shipping
#6087332
5996133
Precision Twist Drill M40CO1/2 5996133 1/2" (0.5") HSS-E Cobalt stub length drill with bronze finish and 135° point. ANSI standard, right-hand cut, cylindrical shank. 2-1/4" flute length, 3-3/4" overall length. For short-hole drilling in steel, stainless steel, cast iron, and high-temperature alloys.
Brand Precision Twist Drill
Model 5996133
$21.63 Each
Free shipping
#6087352
5995952
Precision Twist Drill M40CO29/64, part number 5995952, 29/64" (0.4531") HSS-E Cobalt stub length drill with bronze finish and 135° point. ANSI standard, right-hand cut, cylindrical shank. 2-1/8" flute length, 3-9/16" overall length. For short-hole drilling in steel, stainless steel, cast iron, and high-temperature alloys.
Brand Precision Twist Drill
Model 5995952
$22.35 Each
Free shipping
#6087357
5995964
Precision Twist Drill M40CO31/64, part number 5995964, 31/64" (0.4844") HSS-E Cobalt stub length drill with bronze finish and 135° point. ANSI standard, right-hand cut, cylindrical shank. 2-3/16" flute length, 3-11/16" overall length. For short-hole drilling in steel, stainless steel, cast iron, and high-temperature alloys.
Brand Precision Twist Drill
Model 5995964
$22.35 Each
Free shipping
#6087545
5995693
Precision Twist Drill M52CON30, part number 5995693, #30 (0.1285") HSS-E cobalt heavy duty jobber drill with bronze finish and 135° point. ANSI standard, right-hand cut, cylindrical shank, 3" flute length, 5-3/8" overall length. Suitable for steel, stainless steel, cast iron, and high-temperature alloys.
Brand Precision Twist Drill
Model 5995693
$18.60 Each
Free shipping
#6087560
5998136
Precision Twist Drill R10CO1/2, part number 5998136, 1/2" (0.5") HSS-E Cobalt heavy duty jobber drill with bronze finish and 135° point. NAS907 standard, right-hand cut, cylindrical shank. 4-1/2" flute length, 6" overall length. For aerospace and demanding applications in steel, stainless steel, cast iron, and high-temperature alloys.
Brand Precision Twist Drill
Model 5998136
$24.55 Each
Free shipping
#6087582
5998172
Precision Twist Drill R10CO29/64, part number 5998172, 29/64" (0.4531") HSS-E cobalt heavy duty jobber drill with bronze finish and 135° point. NAS907 standard, right-hand cut, cylindrical shank. 4-3/16" flute length, 5-5/8" overall length. For aerospace and demanding applications in steel, stainless steel, cast iron, and high-temperature alloys.
Brand Precision Twist Drill
Model 5998172
$23.77 Each
Free shipping
#6087587
5998191
Precision Twist Drill R10CO31/64, part number 5998191, 31/64" (0.4844") HSS-E cobalt heavy duty jobber drill with bronze finish and 135° point. NAS907 standard, right-hand cut, cylindrical shank. 4-3/8" flute length, 5-7/8" overall length.
Brand Precision Twist Drill
Model 5998191
$24.93 Each
Free shipping
#6087867
6001080
Precision Twist Drill 239TBT1/4, part number 6001080, 1/4" (0.25") HSS jobber drill with black oxide finish and 135° point. 2-3/4" flute length, 4" overall length, ANSI standard, right-hand cut, cylindrical shank. Suitable for steel, cast iron, and non-ferrous metals.
Brand Precision Twist Drill
Model 6001080
$4.34 Each
Free shipping
#6087870
6001092
Precision Twist Drill 239TBT17/64, part number 6001092, 17/64" (0.2656") HSS jobber drill with black oxide finish and 135° point. ANSI standard, right-hand cut, cylindrical shank. 2-7/8" flute length, 4-1/8" overall length. Suitable for steel, cast iron, and non-ferrous metals.
Brand Precision Twist Drill
Model 6001092
$5.15 Each
Free shipping
#6087876
6001077
Precision Twist Drill 239TBTN11, part number 6001077, #11 (0.191") HSS jobber drill with black oxide finish and 135° point. 2-5/16" flute length, 3-1/2" overall length, ANSI standard, right-hand cut, cylindrical shank.
Brand Precision Twist Drill
Model 6001077
$3.47 Each
Free shipping
#6088157
5995643
Precision Twist Drill C114COMBPSET 5995643 114-piece HSS jobber drill set with steam tempered finish and 118° point. Includes fractional sizes 1/16-1/2 inch by 64ths, wire gauge sizes N1-N60, and metric sizes 1-13mm by 0.5mm. ANSI standard, right-hand cut, cylindrical shank, standard spiral. Styles R10P, R18P, and 2A.
Brand Precision Twist Drill
Model 5995643
$631.75 Each
Free Shipping orders over $100
#6088158
C114COMBSET
C114COMBSET 099990 Jobber Drill 114pc Set
Brand Precision Twist Drill
Model C114COMBSET
$478.64 Each
Free Shipping orders over $100
#6088159
C252ABSET
Precision Twist Drill C252ABSET 099988 25-piece HSS jobber drill set with 118° point, standard spiral, right-hand cut, DIN 338 standard. Usable length 4 inches. Suitable for general-purpose drilling in steel, wood, and plastics.
Brand Precision Twist Drill
Model C252ABSET
$173.64 Each
Free Shipping orders over $100
#6088674
QC21GM12.5
Precision Twist Drill QC21GM12.5, part number 019925, 12.5 mm (0.4921") HSS jobber drill with TiN coating and 135° point. DIN 338 standard, right-hand cut, cylindrical shank. 101 mm flute length, 151 mm overall length.
Brand Precision Twist Drill
Model QC21GM12.5
$59.22 Each
Free shipping
#6088685
QC21GM6.0
Precision Twist Drill QC21GM6.0, part number 019860, 6 mm (0.2362") HSS jobber drill with TiN coating and 135° point. DIN 338 standard, right-hand cut, cylindrical shank. 57 mm flute length, 93 mm overall length.
Brand Precision Twist Drill
Model QC21GM6.0
$15.51 Each
Free shipping
#6089553
7466396
SET-1050-FM-8 7466396 Rotary Burr Aluminum Cut 8pc Set
Brand Precision Twist Drill
Model 7466396
$341.00 Each
Free Shipping orders over $100
#6089554
7466394
SET-10-DC-12 7466394 Rotary Burr Double Cut 12pc Set
Brand Precision Twist Drill
Model 7466394
$300.00 Each
Free Shipping orders over $100
#6089555
7466395
SET-3050-DC-8 7466395 Rotary Burr Double Cut 8pc Set
Brand Precision Twist Drill
Model 7466395
$320.00 Each
Free Shipping orders over $100