Depressed Center Grinding Disc for Metal 100x6x16 (T27)

- Feb 28, 2017-

Product Detail

Basic Info
  • Model NO.: Depressed Center Grinding Disc for Metal 100x6x16 (T27)

  • Application: Tool steels, high-alloy stainless steels, heat-treated steels ,grey cast iron , malleable cast iron , cast steel , ductile graphite iron , manganese cast iron material and so on

  • Color:Red

  • Max Operating Speed:80m/S

  • Usage:Grinding, Cutting

  • Trademark: JUMA & LG.W

  • Specification:ISO9001 and MPA

  • Origin:China

  • HS Code:68042210

Product Description
This Premium Xtra Power Depressed Center Grinding Wheel 4"x1/4"x5/8"(100x6.0x16mm) belong to the Metal Grinding Wheel and Stainless Grinding Wheels. It can be have the best performance during the grinding process.

The 4"x1/4"x5/8"Grinding Wheel is mainly made of Aluminum Oxide abrasive material and White Aluminum Oxide, 2 ~ 4 pieces Resin Bonded Fiberglass nets and two black paper backing. The Maximum speed of our Reinforced Grinding Wheel  reach 80m/s. 


This kind of Resin Bonded Grinding Disc is mainly used on freehand Type27 Xtra Power angle grinder machine for grinding, so it can be named Type 27 Grinding Disc. The Depressed Center Grinding wheels can be used for grinding, polishing and cleaning during the using process. It can be used for Tool steels, high-alloy stainless steels, heat-treated steels ,grey cast iron , malleable cast iron , cast steel , ductile graphite iron , manganese cast iron material and so on . The color of our Aluminum Oxide Grinding Disc can be black, red ,and yellow. 

In order the meet different needs from our customers, our Depressed Center Grinding Disc can be manufactured by using 1~4  pieces strengthen fiberglass protection in it with different grit size and different material to ensure the best performance during the using process .

Abrasive   Material Introduction

Grit   Size Introduction

Hardness   Introduction

A--aluminum oxide

16-24     coarse density

D-L    soft

C--silicon carbide

30-60     medium density

M-N   medium

 Z-- Zirconium aluminum

70-220  fine density

P-S    hard

ZA—Zirconium aluminum/aluminum oxide

T-Y    very hard

 AC—aluminum oxide/silicon carbide

WA--white aluminum oxide

a) A-for general metalworking cutting and grinding
b) ZA or WA- for stainless steel cutting and grinding
c) C or GC-for non metal, stone cutting and polishing.

At present , we manufacture and export more than 3000000pcs to meet different markets need. It is so welcomed in the market for the main advantage of our abrasive grinding disc as follows :

Easy and fast grinding

Long life durability and Maximum safety

Comfortable grinding experience

High metal removal rate , best stability,  best efficiency, 

Less material loss, noise and dust 

Regional Market

JUMA ABRASIVE CO., LTD. (hereinafter referred to as the Company), a well-knownChinaenterprise, is engaged in manufacturing professional resin abrasives with its production scale being in the leading position ofChina. The company which was established in 1997 integrated product development, designing, production, sales and services into a whole.

The products Depressed Center Abrasive Disc manufactured by our company have been directly exported to Thailand ,  Cambodia, Japan, South Korea, India、Sri Lanka , the Middle East, European countries ,the United States and so on .

At the same time some famous abrasive cutting wheel agents also cooperate with us and we supply the OEM products for their sale . 

 Free samples can be supplied for your checking .

Quality Assurance

JUMA ABRASIVE CO., LTD have the strictly executes quality management system of ISO 9001 in company operation, equipped with advanced production facilities, has a leading level in product designing and development, and has a perfect and strict testing system for material collecting, procedure control, end-product testing and detailed records of production which have made the Company to be able to optimize its production mode successively so as to meet with higher requirements from the clients.

Production Capacity

JUMA ABRASIVE CO., LTD. has already owned 150 sets of advanced manufacturing production line,50 sets in our old factory and the 100 new full automatic production line were put into use in our new factory which have 70,000 square meters with the registered capital ¥15,000,000. The company owns the staff of more than 500, the middle and advanced engineers, technicians and skillful workers account for over 60% of the staff. 

Resin-bonded Abrasive Depressed Center Grinding Wheel Series in JUMA ABRASIVE CO., LTD





Box Qty



4 x1/4 x 5/8






4 1/2 x1/4x 7/8






5 x1/4x 7/8






6 x1/4x 7/8






7 x1/4x 7/8






9 x1/4x 7/8





We can supply many kinds of abrasive products, such as cutting wheel, grinding disc, flap disc, flap wheel, abrasive fiberglass 

backings plate for flap disc  and so on.

Welcome your inquiry and visit !