High Speed Steel Stop Countersinks 100º

Countersink cutters may be used in all popular adjustable or micro-stop countersinking units utilizing a threaded shank drive. Made from the finest high speed tool steel. Precision ground to exacting tolerances and form relieved to insure concentricity of countersink angle.
Scroll down the page for 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, and 3/4 diameter high speed steel stop countersinks

Part Number	Pilot Size	Decimal Equivalent Inches	Body Diameter Inches	Shank Size	Price Each
18-570	40	.0980	5/16	1/4-28	$7.00
18-560	30	.1285	5/16	1/4-28	$7.00
18-505	21	.1590	5/16	1/4-28	$7.25
18-506	13	.1850	5/16	1/4-28	$7.50
18-509	10	.1935	5/16	1/4-28	$7.65

Part Number	Pilot Size	Decimal Equivalent Inches	Body Diameter Inches	Shank Size	Price Each
27-435	3/32"	.0938	3/8	1/4-28	$6.50
27-201	40	.0980	3/8	1/4-28	$7.50
27-221	1/8"	.1250	3/8	1/4-28	$8.00
27-202	30	.1285	3/8	1/4-28	$8.00
27-203	27	.1440	3/8	1/4-28	$6.50
27-218	26	.1470	3/8	1/4-28	$7.50
27-211	5/32"	.1562	3/8	1/4-28	$8.00
27-204	21	.1590	3/8	1/4-28	$8.00
27-205	20	.1610	3/8	1/4-28	$7.00
27-206	19	.1660	3/8	1/4-28	$6.50
27-207	16	.1770	3/8	1/4-28	$7.50
27-208	13	.1850	3/8	1/4-28	$8.00
27-212	3/16"	.1875	3/8	1/4-28	$7.50
27-209	12	.1890	3/8	1/4-28	$7.65
27-210	10	.1935	3/8	1/4-28	$7.50
27-215	8	.1990	3/8	1/4-28	$8.00
27-217	6	.2040	3/8	1/4-28	$9.95
27-439	7/32"	.2187	3/8	1/4-28	$7.50
27-216	D	.2460	3/8	1/4-28	$8.00
27-213	1/4"	.2500	3/8	1/4-28	$7.50

Part Number	Pilot Size	Decimal Equivalent Inches	Body Diameter Inches	Shank Size	Price Each
27-222	3/32"	.0938	7/16	1/4-28	$7.50
27-226	40	.0980	7/16	1/4-28	$8.00
27-233	1/8"	.1250	7/16	1/4-28	$7.50
27-227	30	.1285	7/16	1/4-28	$7.50
27-236	27	.1440	7/16	1/4-28	$7.50
27-235	5/32"	.1562	7/16	1/4-28	$7.50
27-228	21	.1590	7/16	1/4-28	$7.20
27-234	19	.1660	7/16	1/4-28	$7.00
27-237	13	.1850	7/16	1/4-28	$8.00
27-232	3/16"	.1875	7/16	1/4-28	$7.50
27-225	12	.1890	7/16	1/4-28	$8.00
27-224	11	.1910	7/16	1/4-28	$8.00
27-229	10	.1935	7/16	1/4-28	$7.50
27-223	7/32"	.2188	7/16	1/4-28	$9.00
27-199	D	.2460	7/16	1/4-28	$9.90
27-230	1/4"	.2500	7/16	1/4-28	$7.50
27-231	5/16"	.3125	7/16	1/4-28	$9.00

Part Number	Pilot Size	Decimal Equivalent Inches	Body Diameter Inches	Shank Size	Price Each
27-260	3/32"	.0938	1/2	1/4-28	$7.00
27-251	40	.0980	1/2	1/4-28	$7.50
27-261	1/8"	.1250	1/2	1/4-28	$7.20
27-252	30	.1285	1/2	1/4-28	$7.50
27-253	27	.1440	1/2	1/4-28	$7.50
27-262	5/32"	.1562	1/2	1/4-28	$7.00
27-254	21	.1590	1/2	1/4-28	$6.70
27-269	20	.1610	1/2	1/4-28	$8.00
27-298	19	.1660	1/2	1/4-28	$8.00
27-255	16	.1770	1/2	1/4-28	$7.65
27-256	13	.1850	1/2	1/4-28	$7.00
27-263	3/16"	.1875	1/2	1/4-28	$7.50
27-268	12	.1890	1/2	1/4-28	$8.00
27-243	11	.1910	1/2	1/4-28	$6.70
27-257	10	.1935	1/2	1/4-28	$7.50
27-258	8	.1990	1/2	1/4-28	$7.50
27-245	7	.2010	1/2	1/4-28	$8.00
27-242	6	.2040	1/2	1/4-28	$7.50
27-259	5	.2055	1/2	1/4-28	$8.00
27-241	4	.2090	1/2	1/4-28	$8.00
27-244	3	.2130	1/2	1/4-28	$7.00
27-264	7/32"	.2188	1/2	1/4-28	$7.00
27-240	A	.2340	1/2	1/4-28	$7.65
27-273	B	.2380	1/2	1/4-28	$8.50
27-270	D	.2460	1/2	1/4-28	$7.50
27-265	1/4"	.2500	1/2	1/4-28	$7.20
27-238	F	.2570	1/2	1/4-28	$8.50
27-246	G	.2610	1/2	1/4-28	$7.20
27-247	J	.2770	1/2	1/4-28	$8.00
27-239	9/32"	.2812	1/2	1/4-28	$7.65
27-271	N	.3020	1/2	1/4-28	$9.00
27-272	--	.3090	1/2	1/4-28	$8.00
27-266	5/16"	.3125	1/2	1/4-28	$7.50
27-248	P	.3230	1/2	1/4-28	$7.65
27-249	R	.3390	1/2	1/4-28	$9.50
27-267	3/8"	.3750	1/2	1/4-28	$6.70

Part Number	Pilot Size	Decimal Equivalent Inches	Body Diameter Inches	Shank Size	Price Each
27-333	1/4"	.2500	9/16	1/4-28	$12.15
27-331	.374	.3900	9/16	1/4-28	$12.15
27-332	.405	.4050	9/16	1/4-28	$12.15

Part Number	Pilot Size	Decimal Equivalent Inches	Body Diameter Inches	Shank Size	Price Each
27-276	40	.0980	5/8	1/4-28	$14.70
27-277	30	.1285	5/8	1/4-28	$14.70
27-275	27	.1440	5/8	1/4-28	$14.70
27-278	21	.1590	5/8	1/4-28	$14.70
27-284	13	.1850	5/8	1/4-28	$14.70
27-283	3/16"	.1875	5/8	1/4-28	$14.70
27-279	10	.1935	5/8	1/4-28	$14.70
27-285	D	.2460	5/8	1/4-28	$14.70
27-280	1/4"	.2500	5/8	1/4-28	$14.70
27-292	G	.2610	5/8	1/4-28	$14.70
27-294	J	.2770	5/8	1/4-28	$14.70
27-286	----	.3090	5/8	1/4-28	$14.70
27-281	5/16"	.3125	5/8	1/4-28	$14.70
27-287	----	.3250	5/8	1/4-28	$14.70
27-293	R	.3390	5/8	1/4-28	$14.70
27-288	----	.3450	5/8	1/4-28	$14.70
27-297	----	.3610	5/8	1/4-28	$14.70
27-289	----	.3710	5/8	1/4-28	$12.50
27-282	3/8"	.3750	5/8	1/4-28	$14.70
27-290	Y	.4040	5/8	1/4-28	$14.70

Part Number	Pilot Size	Decimal Equivalent Inches	Body Diameter Inches	Shank Size	Price Each
27-306	40	.0980	3/4	3/8-24	$38.00
27-307	30	.1285	3/4	3/8-24	$38.00
27-308	21	.1590	3/4	3/8-24	$46.00
27-313	3/16"	.1875	3/4	3/8-24	$38.00
27-309	10	.1935	3/4	3/8-24	$46.00
27-301	D	.2460	3/4	3/8-24	$38.00
27-310	1/4"	.2500	3/4	3/8-24	$46.00
27-311	5/16"	.3125	3/4	3/8-24	$46.00
27-312	3/8"	.3750	3/4	3/8-24	$46.00
27-314	7/16"	.4375	3/4	3/8-24	$46.00

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