Marlco push broach inch square first pass form a (6431-045/1)

These are for use with Second Pass broaches to achieve Form A (WDS 6431)

For Form B style of hole, use the second pass broaches only

B1 = Nominal size A/F and pilot dia. for Form A

B2 = Tolerance across flats

F = Approx. load per tooth cutting mild steel

L1 = Overall length of broach

L2 = Length of cut

P = Pitch of teeth

R = Number of broaches to cut Form A

Part of the WDS 6431 Inch High Speed Steel Square Broaches range, other styles and sizes available.