Best Epiroc Atlas Copco Rockmore Pneumatic Top Hammer DTH Drilling Taper Thread Rock Drill Button Bits Hard Stone Granite Marble Quarry Mine

• Customization: Available
• After-sales Service: Repair or Replacement
• Warranty: 1 Year
• Model NO.: R32-51
• Certification: ISO 9001:2000
• Standard: GB
• Surface Treatment: Spray-Paint
• Manufacturing Process: Forging
• Material: Alloy Steel
• Color: on Request
• Condition: 100% New
• Processing Type: Forging
• Transport Package: Plywood
• Specification: Diameter 28mm-762mm
• Trademark: Sanproco
• Origin: China
• HS Code: 82079010
• Production Capacity: 1000 Pieces/Month

Product Description

Both of the top hammer and DTH hammer rock drill bits from Sansung company are made by super quality tungsten carbide and advanced processing technology.
Top hammer rock drilling button bits
(1) Taper button bits

1. taper degree: 4°46″, 6°, 7°, 11° and 12°
2. diameter: 28mm to 45mm
3. socket inside diameter: 19mm / 22mm / 25mm
4. length: 50mm to 80mm

(2) Thread button bits

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-152mm
5. Bit body: standard and retrac

DTH hammer rock drilling button bits
DTH bits specifications:

Hammer inch	Bits diameter		Shank
	Metric	Inch
1"	64mm-70mm	2 1/2"-2 3/4"	BR1
2"	70mm-95mm	2 3/4"-3 3/4"	MACH20/BR2
3"	90mm-102mm	3 1/2"-4"	COP32/COP34/MACH303 M30/DHD3.5/BR3
4"	105mm-152mm	4 1/8"-6"	COP44/DHD340/MACH44 SD4/M40/QL40
5"	133mm-165mm	5 1/4"-6 1/2"	COP54/DHD350R/MACH50 SD5/M50/QL50/BR5
6"	152mm-254mm	4 1/8"-10"	COP64/DHD360/SD6 M60/QL60/Bulroc BR6
8"	203mm-330mm	8"-13"	COP84/DHD380/SD8 QL80/M80
10"	254mm-380mm	10"-15"	SD10 NUMA100
12"	305mm-508mm	12"-20"	DHD1120/SD12 NUMA120/NUMA125
To know 12-30 inch bits information, contact us now

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