82 mm Diamond Core Drill Bits Hole Cuttters Drilling Tool For Brick Block Concrete

Diamond Core Drill Bit is a cylinder used for plunge cutting out materials. It is composed of a heat treated steel core and the working part which consists of diamond and metal powder. Vacuum brazed diamond core drill bit usually have a single layer of diamonds, held by a touch durable nickle alloy. Vacuum brazed core bit are able to retain their original shape and dimensions through their working life. Unlike sintered (metal bond) where diamond particles are buried in bond and held together by metal binder deep inside. The vacuum brazed core bit allows diamond particles to protrude from the bond matrix, providing a free, faster drilling action with minimum heat generation.

Drill Advantages:
1) Fast drilling speed and good quantity of drilling concrete
2) High performance in drilling difficult operating conditions, especially reinforced concrete which contains much steel bars or pebble stone
3) Stable and reliable quality
4) Factory direct sell, competitive prices.

3) Welding Types: Silver or laser welding segmented type.
4) Segment Types: Standard Type, Turbo Type, Roof Type, V-Type, Spiral Type etc.
5) Connection: M12, M14, M16, M18,11/4 UNC, G1/2", 5-8"-11, 1/4", Snail Lock etc.
6) Note: Special Customized Logo, Segment Sizes and Shapes, Installations are available by customers' requests.

DRY Diamond Core Bits - are designed to meet the demands of more and more core drilling applications right on the job sites. These high quality diamond core bits can be used both dry and wet on granite and concrete countertops. They can be used to drill porcelain tile very effectively if edge chipping is not a big concern. 1/4", 3/16", 3/8" and 1/2" bits are non-core bits. 5/8-11 arbor fits standard polishers and grinders. Maximum speed for the bits are 4500 RPM. Use water to cool down the bit is highly recommend to extend their lives.

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