Blanks for straight solid carbide circuit board drills

BPC: (6% and 10% Cobalt, Unground)

Blank Designation

D

L

Nominal

Actual

BPC-1

1/64

0.025±0.003

1.530

BPC-2

1/32

0.042±0.003

1.530

BPC-3

3/64

0.059±0.003

1.530

BPC-4

1/16

0.076±0.0035

1.530

BPC-5

5/64

0.093±0.004

1.530

BPC-6

3/32

0.110±0.004

1.530

BPC-7

7/64

0.128±0.004

1.530

BPC-8

1/16

0.142±0.004

1.530

BPC-9

9/64

0.158±0.004

1.530

BPC-10

5/32

0.174±0.004

1.530

BPC-11

11/64

0.191±0.005

1.530

BPC-12

3/16

0.207±0.005

1.530

BPC-13

13/64

0.222±0.005

1.530

BPC-14

7/32

0.238±0.005

1.530

BPC-15

15/64

0.253±0.005

1.530

BPC-16

1/4

0.270±0.005

1.530