HM38 Button Bits

HM38 Button Bits: 23 genuine Boart Longyear tungsten carbide button bits, 54-89 mm, Standard, Retrac, Straightrac skirts. Full catalogue specs from the authorized distributor in Thailand.

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23part numbers54-89 mmdiameter39catalogue page

Bits: Standard skirt, 6 gauge design

7 items

Part no.	Dia. mm	Dia. in	Face	Button	Gauge buttons	Face buttons	Flushing	Skirt	Design	Centre buttons	Quote
110912	54	2 1/8	Flat	Parabolic	6x11	3x10	3F/1G	Standard	6 gauge	-	Quote
110022	64	2 1/2	Flat	Hemi	6x12	3x10	1F/2G	Standard	6 gauge	-	Quote
110718	64	2 1/2	Recessed	Hemi	6x11	3x10	3F	Standard	6 gauge	1x10	Quote
110719	64	2 1/2	Recessed	Parabolic	6x11	3x10	3F	Standard	6 gauge	1x10	Quote
111097	64	2 1/2	Recessed	Hemi	6x13	3x11	3F	Standard	6 gauge	1x10	Quote
110656	70	2 3/4	Recessed	Hemi	6x13	3x11	3F	Standard	6 gauge	1x10	Quote
110720	76	3	Recessed	Hemi	6x11	3x11	3F	Standard	6 gauge	1x11	Quote

Bits: Standard skirt, 8 gauge design

4 items

Part no.	Dia. mm	Dia. in	Face	Button	Gauge buttons	Face buttons	Flushing	Skirt	Design	Quote
110199	64	2 1/2	Flat	Hemi	8x10	4x10	2F	Standard	8 gauge	Quote
110712	76	3	Flat	Hemi	8x12	4x12	2F/1G	Standard	8 gauge	Quote
110793	76	3	Flat	Parabolic	8x11	4x11	2F/1G	Standard	8 gauge	Quote
110814	89	3 1/2	Flat	Hemi	8x12	5x11	2F/2G	Standard	8 gauge	Quote

Bits: Retrac skirt, 5 gauge design

2 items

Part no.	Dia. mm	Dia. in	Face	Button	Gauge buttons	Face buttons	Centre buttons	Flushing	Skirt	Design	Quote
130049	64	2 1/2	Recessed	Hemi	5x11	3x10	1x10	2F	Retrac	5 gauge	Quote
130059	64	2 1/2	Recessed	Parabolic	5x11	3x10	1x10	2F	Retrac	5 gauge	Quote

Bits: Retrac skirt, 6 gauge design

5 items

Part no.	Dia. mm	Dia. in	Face	Button	Gauge buttons	Face buttons	Centre buttons	Flushing	Skirt	Design	Quote
130175	64	2 1/2	Recessed	Hemi	6x11	3x10	1x10	3F	Retrac	6 gauge	Quote
130176	64	2 1/2	Recessed	Parabolic	6x11	3x10	1x10	3F	Retrac	6 gauge	Quote
130191	70	2 3/4	Recessed	Hemi	6x13	3x11	1x10	3F	Retrac	6 gauge	Quote
130079	76	3	Recessed	Hemi	6x13	3x11	1x10	3F/1RF	Retrac	6 gauge	Quote
130074	89	3 1/2	Recessed	Hemi	6x12	3x12	2x10	3F	Retrac	6 gauge	Quote

Bits: Straightrac skirt, 6 gauge design

3 items

Part no.	Dia. mm	Dia. in	Face	Button	Gauge buttons	Face buttons	Flushing	Skirt	Design	Centre buttons	Quote
140225	64	2 1/2	Flat	Hemi	6x12	3x11	3F/1G	Straightrac	6 gauge	-	Quote
140060	64	2 1/2	Recessed	Parabolic	6x10	3x10	3F/1G	Straightrac	6 gauge	1x9	Quote
140035	76	3	Recessed	Hemi	6x11	3x11	3F/1G	Straightrac	6 gauge	2x10	Quote

Bits: Straightrac skirt, 8 gauge design

2 items

Part no.	Dia. mm	Dia. in	Face	Button	Gauge buttons	Face buttons	Centre buttons	Flushing	Skirt	Design	Quote
140115	64	2 1/2	Recessed	Parabolic	8x9	4x9	1x9	4F/1G	Straightrac	8 gauge	Quote
140077	76	3	Recessed	Parabolic	8x11	4x11	1x11	4F/1G	Straightrac	8 gauge	Quote

Data from Rock Tools catalogue page 39. Please confirm part numbers with us before ordering.

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