311mm steel tooth tricone rock bit - IADC217

Model No.: HTTS

Features: Hole saw
1. Cutting edges: tungsten carbide
2. Material thickness: 4, 10, or 20mm

Model No.: XD

Features: Sharp, more wearable, long life, no fragile when working, can adjust the grit according to customers' request

Model No.: DNTX

Features: core drill
1.cutting tool, speical-purpose carbide tips
2.reduced damage of tips
3. better endurance
4.Multi-cut geometry

Model No.: tp-

Features: 6pcs drill bit set:
1,high quality
2,reasonable price
3,best service

Model No.: TX010

Features: 1.Description:Fully Ground Drill Bits
2.Material: HSS Cobalt, HSS
3.Hardness:62-66 HRC
4.Usage:Metal Drilling
5.Size: 1-20MM

Model No.: TX010

Features: 1.Description:HSS Cobalt Drill Bits
2.Material: HSS Cobalt
3.Hardness:62-66 HRC
4.Usage:Metal Drilling
5.Size: 1-20MM

Model No.:

Features: *twist drill bit is suitable in the concretes, the brick drilling- hole work.

Model No.: all types

Features: 1)5 blades
2)8 1/2''
3)quality guarantee
4)Long-term and trusty supplier
5)Considerate after sales service

Model No.: All types

Features: Roller Bit
1-three roller bit
2-certified by API &ISO
3-Good feedback of clients
4-a large stock roller bit

Model No.: many

Features: Water swivel is used for water supplier for wet-drilling for granite,glass and marble.

Model No.: YG6

Features: drilling bit for rock
it is made of selected cemented and high-class carbide,We have attained ISO9001 certification.

Model No.: HA, HJ, HY, GA, etc

Features: 1.For soft,medium hard formation
2.Reliable bearing system
3.API,ISO certificate
4.High quality,good service
5.Lowest price