Besly Modern Application Taps



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Besly
Modern Application Taps
for Nickel Alloys

Special High Vanadium
Premium Steel (HSSE)

Spiral Flute
3 and 4 Flute

Metric Sizes:
M3 | M3.5 | M4 | M5 | M6 | M7 | M8 | M10 | M12 | M14 | M16 | M18

Catalog Number: 6344A

Besly Modern Application Taps for Nickel Alloys are for tough to machine Nickel Base Alloys such as Incomel, Hastelloy, Waspalloy, Incoloy, Astraloy, Rene and Monel. Designed for use in blind holes, a spiral flute is used to pull the chips out, reducing the chance of tap breakage.

These taps are surface treated to reduce friction. They come with bottom (1-2 thread) or modified-bottom (2-4 thread) chamfers.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.

				All dimensions are in inches.
	Besly Modern Application Taps for Nickel Alloys Catl No. 6344A Metric Sizes

Tap Size & TPI	No. of Flutes	Chamfer Type*	Pitch Limit	Surface Treat	EDP No	Pkg Qty	Nominal Size 0d₁	Overall Length I₁	Thread Length I₂	Thread + Neck I₃	Shank Dia. 0d₂	Square Size q
M3 x .5	3	Mod	D3	47	17866	12	M3	1.938	.312	.625	.141	.110
M3 x .5	3	Bot	D3	47	17867	12	M3	1.938	.312	.625	.141	.110
M3.5 x .6	3	Mod	D4	47	17868	12	M3.5	2.000	.375	.688	.141	.110
M3.5 x .6	3	Bot	D4	47	17869	12	M3.5	2.000	.375	.688	.141	.110
M4 x .7	3	Mod	D4	47	17870	12	M4	2.125	.375	.750	.168	.131
M4 x .7	3	Bot	D4	47	17871	12	M4	2.125	.375	.750	.168	.131
M5 x .8	3	Mod	D4	47	17872	12	M5	2.375	.500	.875	.194	.152
M5 x .8	3	Bot	D4	47	17873	12	M5	2.375	.500	.875	.194	.152
M6 x 1	3	Mod	D5	47	17874	12	M6	2.500	.625	1.000	.255	.191
M6 x 1	3	Bot	D5	47	17875	12	M6	2.500	.625	1.000	.255	.191
M7 x 1	3	Mod	D5	47	17876	12	M7	2.719	.688	1.125	.318	.238
M7 x 1	3	Bot	D5	47	17877	12	M7	2.719	.688	1.125	.318	.238
M8 x 1.25	3	Mod	D5	47	17880	12	M8	2.719	.688	1.125	.318	.238
M8 x 1.25	3	Bot	D5	47	17881	12	M8	2.719	.688	1.125	.318	.238
M8 x 1	3	Mod	D5	47	17878	12	M8	2.719	.688	1.125	.318	.238
M8 x 1	3	Bot	D5	47	17879	12	M8	2.719	.688	1.125	.318	.238
M10 x 1.5	3	Mod	D6	47	17884	12	M10	2.938	.750	1.250	.381	.286
M10 x 1.5	3	Bot	D6	47	17885	12	M10	2.938	.750	1.250	.381	.286
M10 x 1.25	3	Mod	D5	47	17882	12	M10	2.938	.750	1.250	.381	.286
M10 x 1.25	3	Bot	D5	47	17883	12	M10	2.938	.750	1.250	.381	.286

* Mod = Modified-Bottom (2-4 threads)

Tap Size & TPI	No. of Flutes	Chamfer Type*	Pitch Limit	Surface Treat	EDP No	Pkg Qty	Nominal Size 0d₁	Overall Length I₁	Thread Length I₂	Thread + Neck I₃	Shank Dia. 0d₂	Square Size q
M12 x 1.75	3	Mod	D6	47	17888	12	M12	3.375	.938	-	.367	.275
M12 x 1.75	3	Bot	D6	47	17889	12	M12	3.375	.938	-	.367	.275
M12 x 1.25	3	Mod	D5	47	17886	12	M12	3.375	.938	-	.367	.275
M12 x 1.25	3	Bot	D5	47	17887	12	M12	3.375	.938	-	.367	.275
M14 x 2	3	Mod	D7	47	17891	3	M14	3.594	1.000	-	.429	.322
M14 x 2	3	Bot	D7	47	17892	3	M14	3.594	1.000	-	.429	.322
M14 x 1.5	3	Mod	D6	47	17890	3	M14	3.594	1.000	-	.429	.322
M14 x 1.5	3	Bot	D6	47	17849	3	M14	3.594	1.000	-	.429	.322
M16 x 2	4	Mod	D7	47	17895	3	M16	3.812	1.094	-	.480	.360
M16 x 2	4	Bot	D7	47	17896	3	M16	3.812	1.094	-	.480	.360
M16 x 1.5	4	Mod	D6	47	17893	3	M16	3.812	1.094	-	.480	.360
M16 x 1.5	4	Bot	D6	47	17894	3	M16	3.812	1.094	-	.480	.360
M18 x 2	4	Mod	D7	47	19468	3	M18	4.031	1.094	-	.542	.406
M18 x 2	4	Bot	D7	47	19469	3	M18	4.031	1.094	-	.542	.406
M18 x 1.5	4	Mod	D6	47	19466	3	M18	4.031	1.094	-	.542	.406
M18 x 1.5	4	Bot	D6	47	19467	3	M18	4.031	1.094	-	.542	.406

* Mod = Modified-Bottom (2-4 threads)


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