Bestlink High Speed Underground Rock Drilling Tools R32 Thread Button Bits

Bestlink rock drilling thread button bits are widely used in all kinds of mining, drilling, quarrying, engineering, construction, water well drilling, oil exploring industries etc.
Our thread button bits are made with high quality of best quality alloy steel bar and tungsten carbides with superior wear resistance and impact toughness superior, through heat treatment so that it can withstand the toughest rock drilling demands, and transmit intensive impact energy into the rock with the least possible loss of energy.
Features:

1. Thread connection: R25, R28, R32, R38, T38, T45, T51, ST58, GT60 and ST68.

2. Carbide profile: Spherical, ballistic and parabolic.

3. Bit Faces: flat, concave, convex and drop-center, uniface.

4. Bits Diameters: 33mm-127mm

5. Bit body: standard and retrac

Thread Button Bit	Diameter		Carbide size(mm)		Flushing hole		Weight
	mm	in	Front	Gauge	Front	Side	(kg)
			Qty×size	Qty×size
R25 (1")	33	1 19/64	2×7	5×7	1	1	0.36
	35	1 3/8	2×7	5×8	1	1	0.44
	38	1 1/2	2×7	5×9	1	1	0.56
	41	1 5/8	2×8	5×9	1	2	0.61
	45	1 3/4	2×8	5×10	1	2	0.78
	48	1 7/8	2×9	5×11	1	2	0.8
	51	2	2×10	5×11	1	2	1.18
	57	2 1/4	2×10	5×12	1	2	1.26
R28 (1 1/8")	35	1 3/8	2×7	5×8	1	1	0.44
	38	1 1/2	2×7	5×9	1	1	0.56
	41	1 5/8	2×8	5×9	1	2	0.61
	45	1 3/4	2×8	5×10	1	2	0.78
	48	1 7/8	2×9	5×11	1	2	0.8
	51	2	2×10	5×11	1	2	1.18
	57	2 1/4	2×10	5×12	1	2	1.26
R32 (1 1/4")	41	2 5/8	2×8	5×9	1	2	0.65
	43	1 11/16	2×8	5×10	1	2	0.72
	45	1 3/4	2×9	5×10	1	2	0.82
	48	1 7/8	2×10	5×10	1	2	0.92
	51	2	2×10	5×11	1	2	1.24
	57	2 1/2	2×10	5×12	1	2	1.35
R/T38 (1 1/2")	64	2 1/2	3×11	6×12	2	1	1.62
	70	2 3/4	4×10	8×10	2	1	1.98
	76	3	4×11	8×12	2	1	2.28
	89	3 1/2	6×11	8×12	2	2	3.32
T45 (1 3/4")	70	2 3/4	4×10	8×10	2	1	2.24
	76	3	4×11	8×12	2	1	2.46
	89	3 1/2	6×12	8×14	2	2	3.52
	102	4	7×12	8×14	2	2	4.46
	115	4 1/2	8×12	8×14	2	2	6.68
T51 (2")	76	3	4×12	8×12	2	1	3.62
	89	3 1/2	6×12	8×14	2	2	4.48
	102	4	7×12	8×14	4	1	5.26
	115	4 1/2	8×12	8×14	4	1	7.62
	127	5	9×12	8×16	4	1	8.58
ST58 (2 1/4")	89	3 1/2	6×12	8×14	2	2	5.46
	102	4	6×12	8×14	2	2	6.18
GT60 (2 3/8")	102	4	6×13	8×14	4	-	7.4
	115	4 1/2	7×14	9×16	3	-	9
ST68 (2 3/4")	102	4	6×14	8×16	2	2	8.6
	115	4 1/2	6×14	9×16	3	-	11.2