89mm Button Bit, Air Drill Drill Mating Hard Alloy Drill Bit

• Customized: Customized
• Standard: API
• Length: Stub-length
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 89mm
• Type: Center Drill Bit
• Material: Cobalt Steel Alloys
• Usage: Wood Drilling, Metal Drilling, Masonry Drilling, Coal and Rock
• Transport Package: Fumigation-Free Wooden Box
• Specification: Depends on drill size
• Trademark: YKDRILL
• Origin: Linqing, Liaocheng, Shandong, China
• HS Code: 7302901000
• Production Capacity: 200000pieces/Year

Product Description

Product Description

Compared with the traditional chip drill bit, the column tooth bit has the characteristics of long grinding cycle, no need for grinding, and fast drilling speed.

The ball-tooth drill has obvious advantages: more time-saving, labor-saving, simpler connection, more durable and longer service life.

The stud bit is made by advanced processes such as circular saw forging, hot forging, drilling and milling machine processing, etc. The stud bit can be used together with the B22 drill pipe. The drill bit is widely used in coal mines, iron ore, gold mine, copper mine Rock drilling engineering of various grades of rock such as mines, lead and zinc mines, mining, construction of railways, tunnels, highways and other projects.


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