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Besly Standard 
X-Press Taps

High Speed Steel
Ground Thread

Fluteless


Metric Sizes:
M3 | M4 | M5 | M6 | M8 | M10 | M12

 

 Catalog Number: 4004

Besly Standard  X-Press Taps     

Besly X-Press Taps cold form threads in ductile materials such as brass, copper, aluminum and leaded steels. Since X-Press taps have no cutting edges, thread size can be maintained closely. Unusually smooth threads can be formed the full depth of the hole. Size from #8 machine screw and larger have two lubrication grooves to carry lubricant to the forming threads. These grooves help prevent seizing or galling in stringy materials, and provide better performance in deep or cored holes.

Please call 800 435-2965 for current net pricing.

Note: Click the EDP No to check availability.
 
All dimensions are in inches.                 
  Besly Standard
X-Press Taps
Catl No. 4004
Metric Sizes		    
 
Besly Surface Treatments Besly Drill Selector
Tap Size
& TPI		 Inch
Equivalent		 No. of L/G Cham Type P.D. Limits Surface Treat EDP No Pkg Qty Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
M3 x 0.5 .1182 x 50.80 0 Plug D5   18211 12 1.940 .620 .141 .190 .110
M3 x 0.5 .1182 x 50.80 0 Plug D5 TiN 15537 12 1.940 .620 .141 .190 .110
M3 x 0.5 .1182 x 50.80 0 Bot D5   18210 12 1.940 .620 .194 .190 .110
M3 x 0.5 .1182 x 50.80 0 Bot D5 TiN 15538 12 1.940 .620 .194 .190 .110
M4 x 0.7 .1575 x 36.29 2 Plug D6   18213 12 2.380 .880 .194 .250 .152
M4 x 0.7 .1575 x 36.29 2 Plug D6 TiN 15539 12 2.380 .880 .194 .250 .152
M4 x 0.7 .1575 x 36.29 2 Bot D6   18212 12 2.380 .880 .194 .250 .152
M4 x 0.7 .1575 x 36.29 2 Bot D6 TiN 15540 12 2.380 .880 .194 .250 .152
M5 x 0.8 .1969 x 31.75 2 Plug D7   18215 12 2.380 .880 .194 .250 .152
M5 x 0.8 .1969 x 31.75 2 Plug D7 TiN 15541 12 2.380 .880 .194 .250 .152
M5 x 0.8 .1969 x 31.75 2 Bot D7   18214 12 2.380 .880 .194 .250 .152
M5 x 0.8 .1969 x 31.75 2 Bot D7 TiN 15542 12 2.380 .880 .194 .250 .152
M6 x 1 .2363 x 25.40 2 Plug D8   18217 12 2.500 1.000 .255 .310 .191
M6 x 1 .2363 x 25.40 2 Plug D8 TiN 15543 12 2.500 1.000 .255 .310 .191
M6 x 1 .2363 x 25.40 2 Bot D8   18216 12 2.500 1.000 .255 .310 .191
M6 x 1 .2363 x 25.40 2 Bot D8 TiN 15544 12 2.500 1.000 .255 .310 .191
These taps are suitable for both 5H and 6H internal thread limits. Go to the top of the page.
Tap Size
& TPI 		Inch Equivalent No. of L/G Cham Type P.D. Limits Surface Treat EDP No Pkg Qty Overall Length
A		 Thread Length
B		 Shank Dia.
C		 Square Length
D		 Square Size
E
M8 x 1.25 .3150 x 20.32 2 Plug D9   18219 12 2.720 1.120 .318 .380 .238
M8 x 1.25 .3150 x 20.32 2 Plug D9 TiN 15545 12 2.720 1.120 .318 .380 .238
M8 x 1.25 .3150 x 20.32 2 Bot D9   18218 12 2.720 1.120 .318 .380 .238
M8 x 1.25 .3150 x 20.32 2 Bot D9 TiN 15546 12 2.720 1.120 .318 .380 .238
M10 x 1.5 .3937 x 16.93 2 Plug D10   18221 12 2.940 1.250 .381 .440 .286
M10 x 1.5 .3937 x 16.93 2 Plug D10 TiN 15547 12 2.940 1.250 .381 .440 .286
M10 x 1.5 .3937 x 16.93 2 Bot D10   18220 12 2.940 1.250 .381 .440 .286
M10 x 1.5 .3937 x 16.93 2 Bot D10 TiN 15548 12 2.940 1.250 .381 .440 .286
M12 x 1.75 .4725 x 14.51 2 Plug D11   18223 12 3.380 1.660 .367 .440 .275
M12 x 1.75 .4725 x 14.51 2 Plug D11 TiN 15549 12 3.380 1.660 .367 .440 .275
M12 x 1.75 .4725 x 14.51 2 Bot D11   18222 12 3.380 1.660 .367 .440 .275
M12 x 1.75 .4725 x 14.51 2 Bot D11 TiN 15550 12 3.380 1.660 .367 .440 .275
These taps are suitable for both 5H and 6H internal thread limits. Go to the top of the page.
INTERNAL THREAD - CLASS 6H
 

Nominal Size
and Pitch

Millimeters Inches
Minor Diameter Pitch Diameter  

Major Dia.

Minor Diameter Pitch Diameter  

Major Dia.

Min. Max. Min. Max. Min. Max. Min. Max.
M3 x 0.5 2.459 2.599 2.675 2.775 3.000 .0968 .1023 .1053 .1092 .1181
M4 x 0.7 3.242 3.422 3.545 3.663 4.000 .1276 .1347 .1396 .1442 .1575
M5 x 0.8 4.134 4.334 4.480 4.605 5.000 .1628 .1706 .1764 .1813 .1968
M6 x 1 4.917 5.153 5.350 5.550 6.000 .1936 .2029 .2106 .2165 .2362
M8 x 1.25 6.647 6.912 7.188 7.348 8.000 .2617 .2721 .2830 .2893 .3150
M10 x 1.5 8.376 8.676 9.026 9.206 10.000 .3298 .3416 .3554 .3624 .3937
M12 x 1.75 10.106 10.441 10.863 11.063 12.000 .3979 .4111 .4277 .4356 .4724
The above thread dimensions are in agreement with ANSI B1.13M-1979 and current ISO standards. Go to the top of the page.
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