Tap Holder Bushings
Type K
Acme Tap Holder Bushings are split along the body with a square recess milled in the back to firmly grip and drive taps. Tap holder bushings are left soft to protect the tap. Type K bushings are precision ground for proper alignment.
| Acme Part Number | Tap Sizes | Bushing Dimensions | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Machine Screw Size No. | Nom. Fract. Dia. (inch) | Nom. Metric Dia. (mm) | A Dia. of Tap Shank | B Nom. O.D. | C Length (Under Head) | Head Dimensions | |||
| D O.D. | E Thickness | ||||||||
| A53002 A53003 A53004 A53005 A53006 A53007 A53008 A53009 A53010 A53011 A53033 |
8 10 12 14 |
5/32 3/16 7/32 1/4 5/16 3/8 7/16 1/2 9/16 5/8 1/8* |
M4 M4.5, M5 M6, M6.3 M7, M8 M10 M12, M12.5 M14 M16 |
.168 .194 .220 .255 .318 .381 .323 .367 .429 .480 .4375 |
1 | 15/16 | 1-3/16 | 3/16 | |
| A53115 A53116 A53117 A53118 A53119 A53120 A53121 A53122 A53123 A53124 A53125 A53126 A53127 A53128 A53129 A53130 A53131 A53135 A53136 A53137 A53138 A53139 |
14 | 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 15/16 1 1-1/16 1-1/8 1-3/16 1-1/4 1/4* 3/8* 1/2* 3/4* 1* |
M6, M6.3 M7, M8 M10 M12, M12.5 M14 M16 M18 M20 M22 M24 M25 M27 M30 |
.255 .318 .381 .323 .367 .429 .480 .542 .590 .652 .697 .760 .800 .896 .896 1.021 1.021 .5625 .7000 .6875 .9063 1.1250 |
1-1/2 | 1-3/16 | 1-11/16 | 1/4 | |
| A53207 A53208 A53209 A53210 A53211 A53212 A53213 A53214 A53215 A53216 A53217 A53218 A53219 A53220 A53221 A53236 A53237 A53238 |
3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 15/16 1 1-1/16 1-1/8 1-3/16 1-1/4 1/2* 3/4* 1* |
M10 M12, M12.5 M14 M16 M18 M20 M22 M24 M25 M27 M30 |
.381 .323 .367 .429 .480 .542 .590 .652 .697 .760 .800 .896 .896 1.021 1.021 .6875 .9063 1.1250 |
1-3/4 | 1-5/16 | 2-1/8 | 5/16 | ||
