Series 531 3 Flute Fractional Twist Drills

Sterling Carbide, Inc.

5455 Vine St.

Chino, CA 91710

ph 1-800-783-2630 or 1-909-627-2668

fax 1-909-628 3980

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Discontinued - Please Call For Availability
SOLID CARBIDE “MICROGRAIN” TWIST DRILL SERIES 531 3 FLUTE FRACTIONAL 150 DEGREE POINT
Product	Size	Decimal	Flute	Overall	Product	Size	Decimal	Flute	Overall
Number		Equiv.	Length	Length	Number		Equiv.	Length	Length
53104	3/32	.0937	1	2	53118	5/16	.3125	2-3/8	3-3/4
53105	7/64	.1094	1-1/4	2-1/4	53119	21/64	.3281	2-1/2	4
53106	1/8	.1250	1-1/4	2-1/4	53120	11/32	.3438	2-1/2	4
53107	9/64	.1406	1-3/8	2-1/2	53121	23/64	.3594	2-1/2	4
53108	5/32	.1562	1-3/8	2-1/2	53122	3/8	.3750	2-3/4	4-1/4
53109	11/64	.1719	1-5/8	2-3/4	53123	25/64	.3906	2-7/8	4-1/2
53110	3/16	.1875	1-5/8	2-3/4	53124	13/32	.4062	2-7/8	4-1/2
53111	13/64	.2031	1-3/4	3	53125	27/64	.4219	2-7/8	4-1/2
53112	7/32	.2187	1-3/4	3	53126	7/16	.4375	2-7/8	4-1/2
53113	15/64	.2344	2	3-1/4	53127	29/64	.4531	3	4-3/4
53114	1/4	.2500	2	3-1/4	53128	15/32	.4688	3	4-3/4
53115	17/64	.2656	2-1/8	3-1/2	53129	31/64	.4844	3	4-3/4
53116	9/32	.2812	2-1/8	3-1/2	53130	1/2	.5000	3	4-3/4
53117	19/64	.2969	2-3/8	3-3/4