Heavy Duty Jobber Drills
Super High-Speed Steel NAS 907, Type B
Jobber Length – 135 Degree Split Point – Bright Finish
- Ideal for portable or machine drilling in low-tensile strength alloy steels and for other applications.
- These drills meet all aircraft manufacturing standards and feature a heavy duty 135O split point for self-centering and quick penetration.
- Heavy-duty web geometry provides added rigidity to resist tension strain when drilling up to three times the drill diameter.
- Suitable for cotter pin hole drilling and cross hole drilling in heads of bolts.
BRIGHT FINISH – FRACTIONAL |
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| SIZE | DECIMAL EQUIV. | FLUTE LENGTH | OVERALL LENGTH | DRILL BITS USA | |
| STOCK # | |||||
| 1/16 | .0625 | 7/8 | 1-7/8 | S150101B | |
| 5/64 | .0781 | 1 | 2 | S150102B | |
| 3/32 | .0938 | 1-1/4 | 2-1/4 | S150103B | |
| 7/64 | .1094 | 1-1/2 | 2-5/8 | S150104B | |
| 1/8 | .1250 | 1-5/8 | 2-3/4 | S150105B | |
| 9/64 | .1406 | 1-3/4 | 2-7/8 | S150106B | |
| 5/32 | .1562 | 2 | 3-1/8 | S150107B | |
| 11/64 | .1719 | 2-1/8 | 3-1/4 | S150108B | |
| 3/16 | .1875 | 2-5/16 | 3-1/2 | S150109B | |
| 13/64 | .2031 | 2-7/16 | 3-5/8 | S150110B | |
| 7/32 | .2188 | 2-1/2 | 3-3/4 | S150111B | |
| 15/64 | .2344 | 2-5/8 | 3-7/8 | S150112B | |
| 1/4 | .2500 | 2-3/4 | 4 | S150113B | |
| 17/64 | .2656 | 2-7/8 | 4-1/8 | S150114B | |
| 9/32 | .2812 | 2-15/16 | 4-1/4 | S150115B | |
| 19/64 | .2969 | 3-1/16 | 4-3/8 | S150116B | |
| 5/16 | .3125 | 3-3/16 | 4-1/2 | S150117B | |
| 21/64 | .3281 | 3-5/16 | 4-5/8 | S150118B | |
| 11/32 | .3438 | 3-7/16 | 4-3/4 | S150119B | |
| 23/64 | .3594 | 3-1/2 | 4-7/8 | S150120B | |
| 3/8 | .3750 | 3-5/8 | 5 | S150121B | |
| 25/64 | .3906 | 3-3/4 | 5-1/8 | S150122B | |
| 13/32 | .4062 | 3-7/8 | 5-1/4 | S150123B | |
| 27/64 | .4219 | 3-15/16 | 5-3/8 | S150124B | |
| 7/16 | .4375 | 4-1/16 | 5-1/2 | S150125B | |
| 29/64 | .4531 | 4-3/16 | 5-5/8 | S150126B | |
| 15/32 | .4688 | 4-5/16 | 5-3/4 | S150127B | |
| 31/64 | .4844 | 4-3/8 | 5-7/8 | S150128B | |
| 1/2 | .5000 | 4-1/2 | 6 | S150129B | |
1/16″ to 5/16″, 12 per envelope, 21/64″ to 1/2″, 6 per envelope
Sizes 1/16″ to 1/2″ are available carded.
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