Fujian, China
Business Type:
Registered Capital:
1000000 RMB
Plant Area:
101~500 square meters
Management System Certification:
ISO 9001
Average Lead Time:
Peak season lead time: one month
Off season lead time: within 15 workdays
OEM/ODM Service
Sample Available

Shoulder-Drive Grinding Cup, Grinding Cup, Cup manufacturer / supplier in China, offering Shoulder-Drive Grinding Cup with O-Ring, Tungsten Carbide Buttons Auger Bit with Thread T38/T45/T51/R32/R25/R28, Down The Hole Bore Hole Drilling DTH Button Bit and so on.

Gold Member Since 2018
Audited Supplier

Shoulder-Drive Grinding Cup with O-Ring

Min. Order / Reference FOB Price
10 Pieces US $10-30/ Piece
Port: Xiamen, China
Production Capacity: 5000 Pieces/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram
Material: Diamond
Abrasive: Superabrasive
Shapes: Spherical or Ballistic
Types: Surface Grinding Wheel
Grain Size: 80#
Cylindricity: <1

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Basic Info.

Model NO.
Circular Degree
Working Style
Surface Grinding
Delivery Time
in Stock or 5-10 Days
OEM Service
Exclusive Agent Service
Transport Package
7mm to 25mm Diameter
HS Code
Product name: Shoulder-Drive Grinding Cup with O-ring

With over 10 years of experience in making button bit grinding tools, Xiamen Sansung Mining Equipment Co., Ltd is one of the most professional and reliable manufacturer you are looking for in China.

(1) Button Bit Grinder

Sanroc Grind SA220 button bit grinder is a high power, pneumatic tool for button bit(like thread button bit, DTH hammer bit) recondition, which is designed for hand held use. It's grinding system features an efficient throttle and support handle, which give the operator an unprecedented level power and control, making Sanroc Grind SA220 the premier tool for even the most demanding job.
SA220 hand-held grinding machines have quickly established themselves as dependable and versatile machines, credited by the professionals and CE approved.

Our Air Grinders require a clean and dry air supply of a minimum 80 psi and 29 cfm passing through an in-line oiler to supply lubrication to the grinder. Also, a supply of water from a mains supply or a sump is required to act as a coolant during the grinding process.

Through changing the quick chuck, the operator can use different types of grinding cup(also called grinding pin) on Sanroc Grind SA220, like the cups with WING drive(8mm shank), and from Sandvik's san-drive grinding cup with 9mm shank, and Allas Copco's 55-drive grinding cup, also the cup from CME with hex-drive.
A full spares back-up service is also available.

Technical parameters:
ModelSanroc Grind  SA220Shoulder-Drive Grinding Cup with O-Ring
Spindle Speed20,000 RPM
Power Output1.5 KW
Working Air  Pressure6-7bar (87-101psi)
Air  Consumption2.0m³/min(71ft3/min)
Max. Water  Pressure16mm
Water Hose  Inner Dia.4bar (58psi)
Air Hose Inner  Dia.8mm
Sound Level80-90dB
Button Size  for GrindingDia. 7-25mm
Vibration  Level<2.5 m/s2
Net Weight4KG

(2) Diamond Grinding Cups

To get the best grinding effect, you should use the No. 1 quality grinding cups(grinding pins) made by SANSUNG company.
Sansung makes and supplies 4 models of grinding cups(grinding pins) as below:
  1. Wing (shoulder) drive grinding cup for, with a 8mm diameter shaft(shank) and one O-ring. Suitable for Atlas Copco LSD machines, Jasco, Dorey and KING PIN grinding machine.
  2. San drive grinding cup, with a 9mm diameter shaft(shank), suitable for all SANDVIK grinding machines.
  3. 55 drive grinding cup is for all Atlas grinding machines.
  4. Internal hex drive grinding cup is for all CME grinding machines.
For button sharpening6/7/8/9/10/11/12/13/14/15/16/17/18/19/20/21/22/23/24/25
For steel removing7-8, 9-10, 11-12, 13-14, 15-16, 17-18, 19-20

1). Low weight-----makes it's easy operation.
2). Low air consumption-----allows grinding at lower compressed air. Fuel saving.
3). Quick chuck-----easy to changing grinding cups without special tools.
4). Cooling system-----a recycling cooling system makes a safe and sustaining working.

Shoulder-Drive Grinding Cup with O-Ring

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