Alfa Tools General Product Catalog

Heavy Duty Jobber Drills

M2 High-Speed Steel NAS 907, Type B

Jobber Length 135 O Split Point Black Oxide

Features:

• 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.

• Heavy duty web geometry provides added rigidity to resist tensional strain when drilling up to three times the drill diameter

FRACTIONAL

ECO PRO STOCK # S250101 S250102 S250103 S250104 S250105 S250106 S250107 S250108 S250109 S250110 S250111 S250112 S250113 S250114 S250115 S250116 S250117 S250118 S250119 S250120 S250121 S250122 S250123 S250124 S250125 S250126 S250127 S250128 S250129

DECIMAL

FLUTE

OVERALL LENGTH

SIZE

EQUIV.

LENGTH

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

1/16 5/64 3/32 7/64

1

2

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

1/8

9/64 5/32

2

ECO PRO Heavy Duty Jobber Drills

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

A

13/64

7/32

15/64

1/4

SETS

17/64

9/32

ECO PRO STOCK # S250194 S250193 S250192 S250190 S250197 S250191 S250199

QTY.

SIZES

19/64

5/16

1/16" - 1/4" by 64ths 1/16" - 1/2" by 32nds 1/16" - 3/8" by 64ths 1/16" - 1/2" by 64ths

13 Pc. 15 Pc. 21 Pc. 29 Pc. 26 Pc.

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

Letter A - Z

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

Wire Gage #1 - #60

*60 Pc.

1/16" - 1/2" by 64ths, A - Z,

*115 Pc.

Wire Gage #1 - #60 Drill Mug 1/16" - 1/2" by 64ths

4-3/8 4-1/2

S250190DM

29 Pc.

6

1/2

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

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

• ECO PRO drills are made outside the United States to ALFA TOOLS' specifications

A-14