For Form 'A' a set of 2 broaches is required. For Form 'B' a single broach can be used which is, in fact , the 2nd stage broach from the set of 2. To order a 1st or 2nd stage broach from a 2 stage set add suffix /1 or /2 to the set No.
Figures given in the weight column refer to single broach only.
Additional sizes can be supplied.
B1 = Nominal size A/F & pilot dia. for Form 'A'
B2 = Tolerance A/F
D = Pilot dia. for form 'B'
F = Approx. load per tooth, cutting mild steel
L1 = O/all length of broach
L2 = Length of cut
P = Pitch of teeth
R = No. of broaches in set for Form 'A'
Broaching Instructions for Form B
1. Drill pilot hole as shown in Column D
2. Use single broach
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