Tapered Button Bits

Tapered button bits are mainly used with pneumatic rock drill and tapered drill rod, and it conducts drilling operations through the connection of the taper on the drill bit and drill rod. The tapered button bits are suitable for hard rock drilling and are mainly used in mine secondary crushing, bolting, drifting and other fields. As an upgraded product of the chisel drill bits and cross drill bits, the tapered button bits have good drilling effect and long service life due to the tungsten carbide tips and the hot-plated skirts. Conventional taper angles for tapered drill bits are 7°, 11° and 12°.

Product Description

Tapered button bits
AppearanceDiameterButtonsAngleFlushing HoleWeight
[mm][in]Gauge

[No.] × [mm]

Front

[No.] × [mm]

 [ ° ]Side

[No.]

Front

[No.]

[kg]
7-Button-bit-Short-skirt.png

Button bit,Short skirt

321 1/43×81×835°110.24
331 19/645×72×735°120.26
341 11/324×72×740°110.29
351 3/85×82×735°110.33
361 27/643×91×840°110.37
361 27/645×82×735°110.37
381 1/23×91×835°110.38
381 1/25×82×735°110.38
381 1/25×92×740°120.38
401 37/643×91×830°110.40
401 37/643×101×930°110.40
401 37/643×91×935°110.40
401 37/645×92×735°110.40
421 21/323×91×830°110.43
421 21/323×101×930°110.43
421 21/323×91×935°110.43
421 21/325×92×835°110.43
7-Button-bit-Long-skirt.png

Button bit, Long skirt

321 1/45×72×735°110.30
331 19/645×72×735°110.31
351 3/85×82×735°110.36
381 1/25×92×735°110.41
411 5/85×92×735°110.42
11°
AppearanceDiameterButtonsAngleFlushing HoleWeight
[mm][in]Gauge

[No.] × [mm]

Front

[No.] × [mm]

 [ ° ]Side

[No.]

Front

[No.]

[kg]
11-Button-bit-Short-skirt.png

Button bit,Short skirt

321 1/43×81×835°210.24
321 1/45×72×740°110.24
331 19/644×72×740°110.25
341 11/324×72×740°110.29
351 3/85×72×735°110.33
351 3/85×82×735°110.33
361 27/643×91×840°110.36
361 27/644×72×740°110.36
361 27/645×82×735°110.36
381 1/23×91×940°110.39
381 1/23×92×840°110.39
381 1/25×82×735°110.39
381 1/25×92×735°110.39
401 37/643×91×940°110.40
401 37/643×92×840°110.40
401 37/643×92×940°210.40
401 37/645×92×735°110.40
401 37/645×92×835°110.40
411 5/85×92×735°110.41
11-Button-bit-Long-skirt.png

Button bit, Long skirt

321 1/45×72×735°110.30
331 19/645×72×735°110.31
331 19/646×72×740°120.31
351 3/86×72×740°120.35
381 1/25×92×735°110.41
411 5/85×92×735°110.42
11-Button-bit-Long-skirt2.png

Button bit, Long skirt

351 3/85×92×735°110.38
361 27/645×92×735°110.39
381 1/25×92×735°110.41
411 5/85×92×735°110.42
12°
AppearanceDiameterButtonsAngleFlushing HoleWeight
[mm][in]Gauge

[No.] × [mm]

Front

[No.] × [mm]

 [ ° ]Side

[No.]

Front

[No.]

[kg]
12-Button-bit-Short-skirt.png

Button bit,Short skirt

281  7/643×71×720°110.20
281  7/644×71×735°110.20
291  9/643×71×740°110.21
301  3/163×71×740°110.22
301  3/164×71×735°110.22
301  3/164×72×730°110.22
321 1/45×72×740°120.24
331 19/645×72×735°110.25
341 11/325×82×735°110.29
351 3/84×72×735°110.33
351 3/85×82×735°120.33
351 3/85×92×735°110.33
361 27/645×92×735°110.37
371 29/645×92×740°110.38
381 1/23×91×940°110.40
381 1/25×92×735°110.40
411 5/85×92×735°110.41
12-Button-bit-Long-skirt.png

Button bit, Long skirt

321 1/45×72×735°110.30
331 19/645×72×735°110.31
331 19/646×72×740°120.31
351 3/86×72×740°120.35
481 1/25×92×735°110.41
411 5/85×92×735°110.42
12-Button-bit-Long-skirt2.png

Button bit, Long skirt

351 3/85×92×735°110.38
361 27/645×92×735°110.39
381 1/25×92×735°110.41
411 5/85×92×735°110.42

Additional Information

Products Name

tapered button bit

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