rock drill bit

Threaded button rock drill bit
1.Model:R22,R25,R32,R38,T38,T45,T51;
2.Tip Types:Round, Parabolic, Ballistic;
3.Application:Mining, Drilling, etc

1.Homework diameter size:12-1/4inch
2.Connection thread size:4-1/2
3.Cutting teeth specifications:1613
4.Certification:API

1) Certified by ISO9001&API
2) Fast drilling rate
3) Strong cutting structure durability
4) resonable price

1) Condition: 100% new
2) Manufacturer brand name: GREAT
3) The bit size: 9 1/2''
4) IADC code: S223
5) blade type: 5 blades

PG-13B drill bit grinder, drill grinding machine manufacturer

quarry blast hole drill bit
1. Material:Carbide tip
2.Working pressure : 0.5~0.7Mpa ( Low pressure)
3.Drill dia range : 65mm ~253m
4.ISO cer

Drill bit features:
1. Parabolic crown profile, blade cutter setting
2.8 1/2mm PDC cutter, medium cutter density
3. Interchangeable screw nozzle

It is a type of drill head, which is suitable for rock geology.
It is used to drill pilot hole for HDD.

which is suitable for drilling in soft to medium hard stratum, and has better advantages in overcoming incomplete stratum drilling

kingdream TCI tricone rock bits API:
1)certified by ISO9001&API
2))min order;one pcs rock bits
3)IADC:114-117,127,437,517,

Specifications
Well Drilling Bits Price
1.Conical Teeth and Hard-facing
2.Reliable Bearing System
3.Fast Drilling rate ...

The durability of premium tungsten carbide inserts is improved with new formulas and new techniques for insert bit.

For Use With Any Electric Drill/Screwdriver
Includes Storage Case
Comes With Small Tape Measure
Great All-Purpose Set

pdc drill bit drill bit oil drill bit
1.Size rang from 3 7/8~26
2.Large inventory on hand
3.Low cost
4.Good quality and after-sale service

API 8 3/4" 7 blades PDC drill bit
1. High wear resistance cutters
2. Oppose-circumnutating design
3.Low price long uselife

Milled tooth rock bit drilling machine
1.Large inventary on hand
2.Good quality and after-sale service
3.Good wear resistance
4.Reliable quality

1. High temperature and wear resistance
2. Godd quality reasonable price and after-sale service
3. IADC code suitable for different formation

PDC drill bolt coal mine bit
1.leading manufacturer of PDC drill bit
2.2 wings with half piece
3.26 mm
4.OEM

Multi Angle Drill bit could replace auger bits,spade bits,forstner bits,routers and chisels to form holes,channel,mortises and even curved holes

Large Diameter Reamer Bit
1. Steel tooth & TCI available
2. 6"-42" in diameter
3. Strict Quality Control System

Milled tooth rock bit drilling machine
1.Large inventary on hand
2.Good quality and after-sale service
3.Good wear resistance
4.Reliable quality

Milled tooth rock bit drilling machine
1.Large inventary on hand
2.Good quality and after-sale service
3.Good wear resistance
4.Reliable quality

API PDC driamond core mining bit for exploration
1.Large inventory on hand
2.Good quality and after-sale service
3.Low price

NAEXTRA 38pcs drill and screwdriver bit set transparent plastic mould box pakcing

Features:
1) Rapid drilling speed
2) Little vibration
3) Easy operation and maintenance
4) Cylinder diameter: 58mm...

High-strength structure alloy steel
Carbides with best quality
Reasonable structure
Certificate: ISO9001:2008, SONCAP
Normal and retrac

12 1/4" TCI Tricone Bits

API 5 7/8" TS1354 / M233 PDC Drill Bit
1. API & ISO
2. Professional Team
3. Mature Processing Technology
4. First-Class Service

Specifications
1. Super long life;
2. High wear resistance;
3. High impact resistnace toughness;
4. High efficiency; ...

1.button tooth or steel tooth
2.carton, wooden box,steel box or as your requirements
3.soft,medium soft,hard,medium hard