Besly Modern Application Taps



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Besly
Modern Application Taps
for Titanium Alloys

Special High Vanadium
Premium Steel (HSSE)

Spiral Flute
3 Flute

Machine Screw Sizes:
4 | 5 | 6 | 8 | 10 | 12

Fractional Sizes:
1/4 | 5/16 | 3/8 | 7/16 | 1/2

Catalog Numbers: 6513A

Besly Modern Application Taps for Titanium Alloys

Besly Modern Application Taps for Titanium Alloys are for commercially pure Titanium and annealed Titanium alloys such as 6AL-4V.

Designed for use in blind holes, a spiral flute is used to pull chips out, reducing the chance of tap breakage. Special back taper, thread and chamfer relief helps to reduce heat that commonly causes tap seizure and breakage on reversal.

These taps are surface treated to reduce friction. They come with bottom (1-2 thread) and 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 Titanium Alloys Catl No. 6513A Machine Screw Sizes

Tap Size & TPI	No. of Flutes	Chamfer Type*	P.D. Limits	Surface Treat	EDP No	Pkg Qty	Nominal Size 0d₁	Overall Length I₁	Thread Length I₂	Thread + Neck I₃	Shank Dia. 0d₂	Square Size q
4-40	3	Mod	H2	7	19652	12	#4	1.875	.312	.562	.141	.110
4-40	3	Mod	H4	7	19653	12	#4	1.875	.312	.562	.141	.110
4-40	3	Bot	H2	7	19707	12	#4	1.875	.312	.562	.141	.110
4-40	3	Bot	H5	7	19708	12	#4	1.875	.312	.562	.141	.110
4-48	3	Mod	H2	7	19654	12	#4	1.875	.312	.562	.141	.110
4-48	3	Bot	H2	7	19709	12	#4	1.875	.312	.562	.141	.110
5-40	3	Mod	H2	7	19655	12	#5	1.938	.312	.625	.141	.110
5-40	3	Mod	H3	7	19656	12	#5	1.938	.312	.625	.141	.110
5-40	3	Bot	H2	7	19710	12	#5	1.938	.312	.625	.141	.110
5-40	3	Bot	H3	7	19711	12	#5	1.938	.312	.625	.141	.110
6-32	3	Mod	H3	7	19657	12	#6	2.000	.375	.688	.141	.110
6-32	3	Mod	H5	7	19658	12	#6	2.000	.375	.688	.141	.110
6-32	3	Bot	H3	7	19712	12	#6	2.000	.375	.688	.141	.110
6-32	3	Bot	H5	7	19713	12	#6	2.000	.375	.688	.141	.110
6-40	3	Mod	H3	7	19659	12	#6	2.000	.375	.688	.141	.110
6-40	3	Bot	H3	7	19714	12	#6	2.000	.375	.688	.141	.110

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

Tap Size & TPI	No. of Flutes	Chamfer Type*	P.D. Limits	Surface Treat	EDP No	Pkg Qty	Nominal Size 0d₁	Overall Length I₁	Thread Length I₂	Thread + Neck I₃	Shank Dia. 0d₂	Square Size q
8-32	3	Mod	H3	7	19660	12	#8	2.125	.375	.750	.168	.131
8-32	3	Mod	H5	7	19661	12	#8	2.125	.375	.750	.168	.131
8-32	3	Bot	H3	7	19715	12	#8	2.125	.375	.750	.168	.131
8-32	3	Bot	H5	7	19716	12	#8	2.125	.375	.750	.168	.131
8-36	3	Mod	H3	7	19662	12	#8	2.125	.375	.750	.168	.131
8-36	3	Bot	H3	7	19717	12	#8	2.125	.375	.750	.168	.131
10-24	3	Mod	H3	7	19663	12	#10	2.375	.500	.875	.194	.152
10-24	3	Mod	H5	7	19664	12	#10	2.375	.500	.875	.194	.152
10-24	3	Bot	H3	7	19718	12	#10	2.375	.500	.875	.194	.152
10-24	3	Bot	H5	7	19719	12	#10	2.375	.500	.875	.194	.152
10-32	3	Mod	H3	7	19665	12	#10	2.375	.500	.875	.194	.152
10-32	3	Mod	H5	7	19666	12	#10	2.375	.500	.875	.194	.152
10-32	3	Bot	H3	7	19720	12	#10	2.375	.500	.875	.194	.152
10-32	3	Bot	H5	7	19721	12	#10	2.375	.500	.875	.194	.152
12-24	3	Mod	H3	7	19667	12	#12	2.375	.500	.938	.220	.165
12-24	3	Bot	H5	7	19722	12	#12	2.375	.500	.938	.220	.165
12-28	3	Mod	H3	7	19668	12	#12	2.375	.500	.938	.220	.165
12-28	3	Bot	H5	7	19723	12	#12	2.375	.500	.938	.220	.165

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

				All dimensions are in inches.
	Besly Modern Application Taps for Titanium Alloys Catl No. 6513A Fractional Sizes

Tap Size & TPI	No. of Flutes	Chamfer Type*	P.D. Limits	Surface Treat	EDP No	Pkg Qty	Nominal Size 0d₁	Overall Length I₁	Thread Length I₂	Thread + Neck I₃	Shank Dia. 0d₂	Square Size q
1/4-20	3	Mod	H3	7	19669	12	1/4	2.500	.625	1.000	.255	.191
1/4-20	3	Mod	H5	7	19670	12	1/4	2.500	.625	1.000	.255	.191
1/4-20	3	Bot	H3	7	19724	12	1/4	2.500	.625	1.000	.255	.191
1/4-20	3	Bot	H5	7	19725	12	1/4	2.500	.625	1.000	.255	.191
1/4-28	3	Mod	H3	7	19671	12	1/4	2.500	.625	1.000	.255	.191
1/4-28	3	Mod	H5	7	19672	12	1/4	2.500	.625	1.000	.255	.191
1/4-28	3	Bot	H3	7	19726	12	1/4	2.500	.625	1.000	.255	.191
1/4-28	3	Bot	H5	7	19727	12	1/4	2.500	.625	1.000	.255	.191
5/16-18	3	Mod	H3	7	19673	12	5/16	2.719	.688	1.125	.318	.238
5/16-18	3	Mod	H5	7	19674	12	5/16	2.719	.688	1.125	.318	.238
5/16-18	3	Bot	H3	7	19728	12	5/16	2.719	.688	1.125	.318	.238
5/16-18	3	Bot	H5	7	19729	12	5/16	2.719	.688	1.125	.318	.238
5/16-24	3	Mod	H3	7	19675	12	5/16	2.719	.688	1.125	.318	.238
5/16-24	3	Mod	H5	7	19676	12	5/16	2.719	.688	1.125	.318	.238
5/16-24	3	Bot	H3	7	19730	12	5/16	2.719	.688	1.125	.318	.238
5/16-24	3	Bot	H5	7	19731	12	5/16	2.719	.688	1.125	.318	.238

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

Tap Size & TPI	No. of Flutes	Chamfer Type*	P.D. Limits	Surface Treat	EDP No	Pkg Qty	Nominal Size 0d₁	Overall Length I₁	Thread Length I₂	Thread + Neck I₃	Shank Dia. 0d₂	Square Size q
3/8-16	3	Mod	H3	7	19677	12	3/8	2.938	.750	1.250	.381	.286
3/8-16	3	Mod	H5	7	19678	12	3/8	2.938	.750	1.250	.381	.286
3/8-16	3	Bot	H3	7	19732	12	3/8	2.938	.750	1.250	.381	.286
3/8-16	3	Bot	H5	7	19733	12	3/8	2.938	.750	1.250	.381	.286
3/8-24	3	Mod	H3	7	19679	12	3/8	2.938	.750	1.250	.381	.286
3/8-24	3	Mod	H5	7	19680	12	3/8	2.938	.750	1.250	.381	.286
3/8-24	3	Bot	H3	7	19734	12	3/8	2.938	.750	1.250	.381	.286
3/8-24	3	Bot	H5	7	19735	12	3/8	2.938	.750	1.250	.381	.286
7/16-14	3	Mod	H3	7	19681	12	7/16	3.156	.875	-	.323	.242
7/16-14	3	Mod	H5	7	19688	12	7/16	3.156	.875	-	.323	.242
7/16-14	3	Bot	H3	7	19736	12	7/16	3.156	.875	-	.323	.242
7/16-14	3	Bot	H5	7	19737	12	7/16	3.156	.875	-	.323	.242
7/16-20	3	Mod	H3	7	19689	12	7/16	3.156	.875	-	.323	.242
7/16-20	3	Mod	H5	7	19690	12	7/16	3.156	.875	-	.323	.242
7/16-20	3	Bot	H3	7	19738	12	7/16	3.156	.875	-	.323	.242
7/16-20	3	Bot	H5	7	19739	12	7/16	3.156	.875	-	.323	.242
1/2-13	3	Mod	H3	7	19691	12	1/2	3.375	.938	-	.367	.275
1/2-13	3	Mod	H5	7	19692	12	1/2	3.375	.938	-	.367	.275
1/2-13	3	Bot	H3	7	19740	12	1/2	3.375	.938	-	.367	.275
1/2-13	3	Bot	H5	7	19741	12	1/2	3.375	.938	-	.367	.275
1/2-20	3	Mod	H3	7	19693	12	1/2	3.375	.938	-	.367	.275
1/2-20	3	Mod	H5	7	19694	12	1/2	3.375	.938	-	.367	.275
1/2-20	3	Bot	H3	7	19742	12	1/2	3.375	.938	-	.367	.275
1/2-20	3	Bot	H5	7	19743	12	1/2	3.375	.938	-	.367	.275

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


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