Alfa Tools General Product Catalog

Heavy Duty Jobber Drills - Alfa USA

Super High-Speed Steel NAS 907, Type B

Jobber Length 135 O Split Point Black Oxide Or Bright Finish

Features:

• Heavy duty web geometry provides added rigidity to resist tensional strain when drilling up to three times the drill diameter • Suitable for cotter pin hole drilling and cross hole drilling in heads of bolts

• 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 135 O split point for self-centering and quick penetration.

FRACTIONAL

BLACK OXIDE

BRIGHT FINISH

ALFA USA

DECIMAL FLUTE

OVERALL

SIZE

EQUIV. LENGTH LENGTH

STOCK #

0625 0781 0938 1094 1250 1406 1562 1719 1875 2031 2188 2344 2500 2656 2812 2969 3125 3281 3438 3594 3750 3906 4062 4219 4375 4531 4688 4844 5000

7/8

1-7/8

S150101 S150102 S150103 S150104 S150105 S150106 S150107 S150108 S150109 S150110 S150111 S150112 S150113 S150114 S150115 S150116 S150117 S150118 S150119 S150120 S150121 S150122 S150123 S150124 S150125 S150126 S150127 S150128 S150129

S150101B S150102B S150103B S150104B S150105B S150106B S150107B S150108B S150109B S150110B S150111B S150112B S150113B S150114B S150115B S150116B S150117B S150118B S150119B S150120B S150121B S150122B S150123B S150124B S150125B S150126B S150127B S150128B S150129B

1/16

1

2

5/64 3/32 7/64

1-1/4 1-1/2 1-5/8 1-3/4

2-1/4 2-5/8 2-3/4 2-7/8 3-1/8 3-1/4 3-1/2 3-5/8 3-3/4 3-7/8 4-1/8 4-1/4 4-3/8 4-1/2 4-5/8 4-3/4 4-7/8 5-1/8 5-1/4 5-3/8 5-1/2 5-5/8 5-3/4 5-7/8 4 5

Heavy Duty Jobber Drills

1/8

9/64 5/32

A

2

2-1/8 2-5/16 2-7/16 2-1/2 2-5/8 2-3/4 2-7/8 2-15/16 3-1/16 3-3/16 3-5/16 3-7/16

11/64

3/16

13/64

SETS

7/32

BLACK OXIDE

BRIGHT FINISH

15/64

1/4

ALFA USA STOCK #

17/64

QTY.

SIZES

9/32

19/64

13 Pc. 1/16" - 1/4" by 64ths S150194 S150194B 15 Pc. 1/16" - 1/2" by 32nds S150193 S150193B 21 Pc. 1/16" - 3/8" by 64ths S150192 S150192B 29 Pc. 1/16" - 1/2" by 64ths S150190 S150190B 26 Pc. Letter A - Z S150197 S150197B *60 Pc. Wire Gage #1 - #60 S150191 S150191B 1/16" - 1/2" by 64ths, *115 Pc. A - Z, S150199 S150199B Wire Gage #1 - #60 Drill Mug 29 Pc. 1/16" - 1/2" by 64ths S150190DM S150190BDM

5/16

21/64 11/32 23/64 25/64 13/32 27/64 29/64 15/32 31/64 3/8 7/16

3-1/2 3-5/8 3-3/4 3-7/8

3-15/16 4-1/16 4-3/16 4-5/16

4-3/8 4-1/2

6

1/2

* #53 - #60 drills do not have a split point

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. See price list for details

Reduced Shank Drills on Page A41

A-12