Item # 70206

Tap extensions with tap shanks provide the advantage of driving standard taps through standard A.S.A. bushing liners. Precision fit of tap in holder. Shank dimensions are the same as tap in holder. Extensions are stocked in 3" and 6" overall lengths. Shank of holder is heat treated to maintain accuracy of tap holder.

Specifications
Holder Length	3 in.
Nominal Tap Size	5/16
Tap Shank Dia.	0.318 in.
Tap Shank Square	0.238 in.
Shank Length (L1)	1 1/2 in.
Depth Tap Enters	1.01 in.
Diameter (A)	0.484 in.