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Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

Hex Shank HSS Twist Step Drills

# Dia. Dec.Equ. Flute Length Shank DIA OAL. Number of Flutes
1 3.0mm 0.1181 33mm N/A 61mm N/A
2 3.5mm 0.1378 39mm N/A 70mm N/A
3 4.0mm 0.1575 43mm N/A 75mm N/A
4 4.5mm 0.1772 47mm N/A 80mm N/A
5 5.0mm 0.1969 52mm N/A 86mm N/A
6 6.0mm 0.2362 57mm N/A 101mm N/A
7 7.0mm 0.2756 69mm N/A 109mm N/A
8 8.0mm 0.3150 75mm N/A 109mm N/A
9 9.0mm 0.3543 81mm N/A 125mm N/A
10 10.0mm 0.3937 87mm N/A 133mm N/A
11 11.0mm 0.4331 94mm N/A 142mm N/A
12 12.0mm 0.4724 101mm N/A 151mm N/A
13 13.0mm 0.5118 101mm N/A 151mm N/A
14 Other sizes as per customer request. N/A N/A N/A N/A N/A
Other sizes as per customer request.
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Product Description

  • Made specifically for Pocket-Screw Joinery. 1/4" hex shank works with any quick change chuck. 
  • Specialized stepped bit drills guide hole for screw.
  •  High quiality hardened steel for longevity. 
  • The diameter of the shank is 1/4" hex