Bit size
Inch
(in)
5 7/8
6
61/8
6 1/4
7 7/8
8 3/8
8 1/2
8 3/4
9 1/2
9 5/8
9 3/4
9 7/8
12 1/4
13 3/4

Metric
(mm)
149.2
152.4
155.6
158.7
200.0
212.7
215.9
222.2
241.3
244.5
247.3
250.8
311.1
349.2




Bit type
437
437
437
437
447
417
417
417
417
417
417
417
417
417

517
517
517
517
517
437
437
437
437
437
437
437
437
437

537
537


537
517
517
517
517
517
517
517
517
517

617
617


547
537
537
537
537
537
537
537
537


637
637


617
617
617
617


637
637
637


API Regular Pin
(in)
3 1/2
4 1/2
6 5/8

Recommended make-up torque for bit shank (KN.m)
9.50-12.2
16.30-21.70
37.93-43.30.



Carton or box.