Besly Standard Taps - Catalog No. 4129



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Besly Special Purpose
Interrupted Thread Taps

High Speed Steel
Ground Thread

Spiral Pointed
3 Flute

Fractional Sizes:
1/4 | 5/16 | 3/8

Catalog Number: 4129

Besly Special Purpose Interrupted Thread Taps These Besly Special Purpose taps are for high production tapping of through holes in nonferrous metals and low carbon steel. The interrupted thread design reduces the incidence of torn threads. They can also be used in titanium and high hardness alloy steels.

Please call 800 435-2965 for current prices.

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				All dimensions are in inches.
	Besly Special Purpose Interrupted Thread Taps Catl No. 4129 Fractional Sizes

Tap Size & TPI	No. of Flutes	Cham Type	P.D. Limits	EDP No	Pkg Qty	Basic Pitch Dia.	Overall Length A	Thread Length B	Shank Dia. C	Square Length D	Square Size E
1/4-20	3	Plug	H3	17298	12	.2175	2-1/2	1	.255	5/16	.191
1/4-28	3	Plug	H3	17299	12	.2268	2-1/2	1	.255	5/16	.191
5/16-18	3	Plug	H3	17300	12	.2764	2-23/32	1-1/8	.318	3/8	.238
5/16-24	3	Plug	H3	17301	12	.2854	2-23/32	1-1/8	.318	3/8	.238
3/8-16	3	Plug	H3	17326	12	.3344	2-15/16	1-1/4	.381	7/16	.286
3/8-24	3	Plug	H3	17328	12	.3479	2-15/16	1-1/4	.381	7/16	.286

Sales Office

16200 Woodmint Lane

South Beloit, IL 61080

(815) 389-2231

fax (815) 389-1339 sales@besly.com