Industrial Catalog

Left Hand Jobber Drills - Cobalt M42 Heavy Duty NAS 907, Type J Standards Left Hand Spiral

Jobber Length 135 O Split Point Straw Gold Finish

• Features a left hand helix for screw machine applications where spindles rotate counter-clockwise • Manufactured from heat-resistant cobalt M42 high-speed steel, these drills maintain their cutting ability at temperatures exceeding 1000 O F

• Heat-resistant and heavy duty design enables use in the harder, high-tensile strength steels like stainless steel, titanium, armor plate, inconel and other difficult-to- machine materials

Features:

Left Hand Jobber Drills - Cobalt M42

FRACTIONAL

ALFA USA STOCK #

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

JDLCO93101 JDLCO93102 JDLCO93103 JDLCO93104 JDLCO93105 JDLCO93106 JDLCO93107 JDLCO93108 JDLCO93109 JDLCO93110 JDLCO93111 JDLCO93112 JDLCO93113 JDLCO93114 JDLCO93115 JDLCO93116 JDLCO93117 JDLCO93118 JDLCO93119 JDLCO93120 JDLCO93121 JDLCO93122 JDLCO93123 JDLCO93124 JDLCO93125 JDLCO93126 JDLCO93127 JDLCO93128 JDLCO93129

1/16 5/64 3/32 7/64 9/64 5/32 11/64 1/8

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

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

3/16

13/64

7/32

15/64

1/4

17/64

A

9/32

19/64

5/16

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

SETS

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

ALFA USA STOCK #

QTY.

SIZES

1/16" - 1/4" by 64ths

JDLCO93194 JDLCO93193 JDLCO93192

13 Pc.

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

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

15 Pc.

21 Pc.

4-3/8 4-1/2

1/16" - 1/2" by 64ths

JDLCO93190

29 Pc.

6

1/2

1/16" to 5/16", 12 per envelope, 21/64" to 1/2", 6 per envelope

A-23