Premium Xtra Power Freehand Depressed Center 4x1/4x5/8(100x6.0x16mm) T27 /EN12413 Abrasive Aluminum Oxide Reinforced Resin Bonded Grinding Wheel for Stainless and Metal steel

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

Product Details

As one of the leading premium xtra power  freehand depressed center 4"x1/4"x5/8"(100x6.0x16mm) t27 /en12413 abrasive aluminum oxide reinforced resin bonded grinding wheel for stainless and metal steel manufacturers in China, JUMA ABRASIVE now brings you the best quality and low price products from its professional factory. It is of the best performance, strong durability and long lifespan.

Production Introduction

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.

The Xtra Power Grinding Wheel 4"x1/4"x5/8"(100x6.0x16mm) has the outer size 4 inch(100mm),inner hole dimension 5/8 inch(16mm) and the thickness of this Freehand Grinding Disc is 1/4 inch(6.0mm) , Our 4 inch Depressed Center Grinding Wheel  has been got the approval from our customers. 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


Package Introduction

In our company , we supply the carton box package to pack the Depressed Center Grinding Wheels with our international brand name “JUMA” and “LG.W” .

At the same time , we can also supply the OEM products and design the special package to pack the cutting wheel and grinding wheel , if customer want use their brand name and have their special package

The package of this Abrasive Resin Bonded Grinding Disc 4"x1/4"x5/8"(100x6.0x16mm) as follows , 25pcs/ small bag , 200pcs/ carton box .


Other Information of Abrasive Depressed Center Grinding Wheel 4"x1/4"x5/8"(100x6.0x16mm)


WA--white aluminum oxide

Our International Brand :


Max speed .:


Certificate :

ISO9001/ MPA EN12413

Fiberglass Mesh:

2~ 4 net

Color :

Black / red /yellow

Sample :


Samples Finished time :


Payment Term

30% deposit, 70% T/T before shipment

Order delivery time :

Within 25days

Loading Port

Shanghai or others port

Place of Origin:

Henan Province , China

Regional Market

JUMA ABRASIVE CO., LTD. (hereinafter referred to as the Company), a well-known China enterprise, is engaged in manufacturing professional resin abrasives with its production scale being in the leading position of China. 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 line testing equipment

Production Capacity and factory show

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 , wire brush and so on.

Welcome your inquiry and visit !


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