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Dormer Pramet A217N7 (MID 5969423) is a 120° centre drill with an 82° included angle, designed for short stub drilling in steel and cast iron. Made from High Speed Steel (HSS) per ANSI standard, it features a 0.25" cutting diameter, 5/8" shank, and 3-1/4" overall length. Internal designation N7.
MODEL 5969423
$23.77 Each
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ApplicationAngleIcon_DICT_SEL
Center drilling 82°
Basic Standard
ANSI
Coating
Bright
Connection diameter - fractional inch (DCON MS)
5/8
Connection diameter - inch (DCON MS)
0.625
Connection diameter - millimeter (DCON MS)
15.88
Cutting diameter - inch (DC)
0.25
Cutting diameter - millimeter (DC)
6.35
EDP number
239278
Hand (Cutting direction)
Right
Internal designation number
7
Length chip flute - fractional inch (LCF)
1.13/16
Length chip flute - inch (LCF)
1.8125
Material
HSS
Material application
K - Cast iron, P - Steel and cast steel
MID number
5969423
Ordering code ANSI
A217N7
Overall length - fractional inch (OAL)
3.1/4
Overall length - millimeter (OAL)
82.55
Point Angle (SIG)
120
Shank
Cylindrical shank
Step included angle (STA)
82
Usable length (ULDR)
1
Centre drill (combined drill and countersink) with 82° straight conical form, double ended and cylindrical body, size 7 with 1/4" drill diameter, a body diameter of 5/8" and an overall length of 3.1/4", according to ANSI standard to produce form A centre holes or starting pilot and conical seat for US standard countersunk-head screws, HSS and bright finish for machining free machining, plain carbon and alloy steel and grey cast-iron.
