Button Bit
• Fast penetration
• More adaptable to different types of ground conditions, due to the different configurations of
designs and buttons available

Customized drill bit is also available, please send us inquiry with requirement, then we'll recommend the suitable carbide drill bit and material for you.

Fast Penetration 90510189 Tungsten Carbide Button Bits For Rock Drill Steel

Following are some items' specification, please contact us for more information.

Diameter		Product No.	Product code	Length		No. of buttons	Buttons × button diameter (mm)		Gauge buttons angle°	Front buttons angle°	Flushing hole		Weight approx. kg
mm	inch	Product No.	Product code	mm	inch	No. of buttons	Gauge	Centre	Gauge buttons angle°	Front buttons angle°	Side	Centre	Weight approx. kg
BUTTON BIT - For 22 mm (7⁄8") hex. rod. 4°46' taper angle. Short skirt.
36	113⁄32	90510678	178-9036-14-67,39-20	50	131⁄32	7	5×7	2×7	35°	–	1	2	0,3
BUTTON BIT - For 22 mm (7⁄8") hex. rod. 11° taper angle. Short skirt.
32	1¼	90510100	179-9032-12-67,50-20	50	131⁄32	5	3×8	2×7	35°	–	2	1	0,3
32	1¼	90512816	179-9032-33-67,39-20	55	25⁄32	8	6×7	2×7	39°	15°	1	1	0,3
32	1¼	90510189	179-9032-56-67,50-20	50	131⁄32	6	4×7	2×7	35°	–	1	1	0,3
33	15⁄16	90512712	179-9033-40-67,52-20	50	131⁄32	9	6×7	3×7	40°	20°	2	–	0,3
33	15⁄16	90512801	179-9033-56-67,50-20	50	131⁄32	6	4×7	2×7	40°	–	1	1	0,2
34	111⁄32	90512881	179-9034-40-67,39-20	50	131⁄32	9	6×7	3×7	40°	20°	2	–	0,3
35	13⁄8	90512818	179-9035-41-67-L,39-20*	55	25⁄32	7	5×8	2×7	40°	15°	1	1	0,3
36	113⁄32	90509968	179-9036-27-67,39-20	50	131⁄32	7	5×8	2×7	35°	–	1	1	0,3
36	113⁄32	90510192	179-9036-56-67,50-20	50	131⁄32	6	4×7	2×7	40°	–	1	1	0,4
38	1½	90512968	179-9038-23-67,51-20	50	131⁄32	4	3×9	1×9	40°	–	2	1	0,3
38	1½	90509966	179-9038-27-67,39-20	50	131⁄32	7	5×9	2×7	35°	–	1	1	0,3
41	15∕8	90509962	179-9041-27-67,39-20	50	131⁄32	7	5×9	2×7	35°	–	2	1	0,3
43	111⁄16	90512898	179-9043-27-67,51-20	50	131⁄32	7	5x9	2x9	35°	–	2	1	0,4