Rock Drilling Tools R28 Series Button Bits

• Certification: ISO 9001:2008
• Standard: ASTM
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Alloy Steel
• Body Material: 42CrMoA
• Model NO.: 37mm to 89mm
• Hardness: HRC40-43
• Transport Package: Composite Packing Box
• Specification: 37mm to 89mm
• Trademark: RUILISTER
• Origin: China
• HS Code: 82071990
• Production Capacity: 20000PCS/Month

Product Description

We produce all kinds of rock drilling tools, such as tapered chisel bits, tapered cross bits, tapered button bits, thread button bits, shank adapter, coupling, tapered rod, extension rod, dome bits for reaming, DTH adapter, etc.

Drill Bit	Diameter		No.X Button Dia.			Flushing Hole		Weight (kg)	Part No.
	mm	Inch	Front	Gauge	Angle	Front	Side
Button Bits	Spherical Buttons
	37	1 29/64	2×7	5×9	30°	1	1	0.5	1431-37R28-27/59-45-41
	38	1 1/2	2×8	4×9	30°	1	2	0.6	1431-38R28-28/49-45-41
	41	1 5/8	2×8	5×9	35°	1	1	0.7	1431-41R28-28/59-45-41
	43	1 11/16	2×9	5×9	35°	1	2	0.8	1431-43R28-29/59-45-41
	45	1 3/4	3×8	6×9	35°	1	3	0.9	1431-45R28-38/69-45-41
	Parabolic Buttons
	37	1 29/64	2×7	5×9	30°	1	1	0.5	1431-37R28-27/59-45-51
	38	1 1/2	2×8	4×9	30°	1	2	0.6	1431-38R28-28/49-45-51
	41	1 5/8	2×8	5×9	35°	1	1	0.7	1431-41R28-28/59-45-51
	43	1 11/16	2×9	5×9	35°	1	2	0.8	1431-43R28-29/59-45-51
	45	1 3/4	3×8	6×9	35°	1	3	0.9	1431-45R28-38/69-45-51
	48	1 7/8	3×8	6×9	35°	1	3	1.0	1431-48R28-38/69-45-51
6°Reaming Bits	64	2 1/2	2×10	8×9	35°	-	-	0.8	1441-646-210/89-45-41
	64	2 1/2	4×8	8×9	25°	-	-	0.8	1441-646-48/89-45-41
	76	3	2×11	8×11	35°	-	-	1.2	1441-766-211/811-45-41
	76	3	4×10	8×10	30°	-	-	1.2	1441-766-410/810-45-41
	89	3 1/2	4×11	8×11	35°	-	-	1.7	1441-896-411/811-45-41
	89	3 1/2	4×10	8×10	30°	-	-	1.7	1441-896-410/810-45-41
6°Reaming Bits	26	1 1/32	12×8		-	-	-	1.5	1442-26R28-12/8-42-22
Cross Bit	38	1 1/2	14×8		-	1	2	0.6	1221-38R28-14/8-42-23
	41	1 5/8	14×8		-	1	4	0.7	1221-41R28-14/8-42-23
	43	1 11/16	14×8		-	1	4	0.7	1221-43R28-14/8-42-23
	45	1 3/4	14×8		-	1	4	0.9	1221-45R28-14/8-42-23
	51	2	14×8		-	1	4	1.1	1221-51R28-14/8-42-23