# 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.

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