Industrial Catalog

Solid Carbide Twist Drills Micrograin Solid Carbide

Heavy Duty 118 O Split Point

• Solid carbide drills offer advantages of greater rigidity and closer tolerance in difficult-to-machine materials • Withstands high drilling speeds, temperatures and continuous abrasion

• For materials such as cast iron, aluminum casting, non-ferrous alloys, hard plastics, rubber, and other abrasive materials

Features:

FRACTIONAL

ALFA USA STOCK # ST50099 ST50100 ST50101 ST50102 ST50103 ST50104 ST50105 ST50106 ST50107 ST50108 ST50109 ST50110 ST50111 ST50112 ST50113 ST50114 ALFA USA STOCK # ST60201 ST60202 ST60203 ST60204 ST60205 ST60206 ST60207 ST60208 ST60209 ST60210 ST60211 ST60212 ST60213

ALFA USA STOCK # ST50115 ST50116 ST50117 ST50118 ST50119 ST50120 ST50121 ST50122 ST50123 ST50124 ST50125 ST50126 ST50127 ST50128 ST50129 ALFA USA STOCK # ST60214 ST60215 ST60216 ST60217 ST60218 ST60219 ST60220 ST60221 ST60222 ST60223 ST60224 ST60225 ST60226

DECIMAL

FLUTE

OVERALL LENGTH

DECIMAL

FLUTE

OVERALL LENGTH

SIZE

SIZE

EQUIV.

LENGTH

EQUIV.

LENGTH

0312 0469 0625 0781 0938 1094 1250 1406 1562 1719 1875 2031 2188 2344 2500 2656

5/16

1-1/4 1-1/2 1-1/2 1-3/4 2-1/4 2-1/4 2-1/2 2-1/2 2-3/4 2-3/4 2

2812 2969 3125 3281 3438 3594 3750 3906 4062 4219 4375 4531 4688 4844 5000

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

3-1/2 3-3/4 3-3/4

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

9/32

3/4 3/4 7/8

19/64

5/16

4 4

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

1

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

4-1/4 4-1/4 4-1/2 4-1/2 4-1/2 4-1/2 4-3/4 4-3/4 4-3/4 4-3/4

1/8

9/64 5/32

11/64

3/16

3 3

3 3 3 3

13/64 Solid Carbide Twist Drills

7/32

2 2

3-1/4 3-1/4 3-1/2

15/64

A

1/4

1/2

2-1/8

17/64

1 per pack

LETTER

DECIMAL

FLUTE

OVERALL LENGTH

DECIMAL

FLUTE

OVERALL LENGTH

SIZE

SIZE

EQUIV.

LENGTH

EQUIV.

LENGTH

234 238 242 246 250 257 261 266 272 277 281 290 295

2 2 2 2 2 2

3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/4 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-3/4

302 316 323 332 339 348 358 368 377 386 397 404 413

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

3-3/4 3-3/4 3-3/4

A B C D E F G H

N O P Q R S T U V X Y Z W

4 4 4

2-1/8 2-1/8 2-1/8 2-1/8 2-1/8 2-1/8 2-3/8

4-1/4 4-1/4 4-1/4 4-1/2 4-1/2 4-1/2 4-1/2

I

J

K L M

1 per pack

A-44