taper drill bits

Materials: W9, M2, ,M7, M35, M42
Equipment: Normac, Hertlein, Gefra
Quality Control: ISO9001

4) Quick change shank(1/4")(7/16") fits all standard 1/4"quick change chucks
5) hex shank prevents slipping in drill chuck or bit extension.

Combination Household Tools Bag is applicable to family use. You can take it wherever you go.
All kinds of tools(household tool set, household to

1.Matrix body PDC drilling bit with 5 blades
2.Cover almost all IADC code
3.Meet with API Spec7-1 ISO 9001:2008

HSS Twist drill bits
Materials: W9, M2, M7, M35, M42
Equipment: Normac, Hertlein, Gefra

Standard:DIN,ANSI,JIS
Process:Fully Ground or polish
Material:M2 M35

ISO2000 CERTIFICATED
Material: High carbon Steel
Shank: Quick(1/4" hex) DIN3126

1. Higher quality
2. Strict quality control
3. Drill Type:Thread button bits
4. Steel Bits:HRC 50-55
5. Structure:Deep Hole Drilling

Specifications 1>Meet with API Spec7-1 &ISO 9001:2008 2>Good quality and after-sale service 3>30 years experience in it.

A straight shank, high quality drill.
Long design for drilling deep holes and drilling through drill bushes.
Ideal for industrial application.

Hot rolled flute, milled flute, right-hand cut.
118° point angle (135º split angle available).
Black oxide finish.

Description
<span styl

Use high-quality steel to make the base material of PDC bit,the surface of the blade weld high-performance wear-resistant materials.

PDC diamond bit
1.certification API and ISO9001
2.established in one thousand nine hundred and eighty
3.lower price

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

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

66pc drill and driver bit set plastic box packing

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

1.Suit for drilling medium to medium-hard formations
2.Evolute asymmetrical blade cutter design and balanced bit load so that bit whirl is prevented

PG-13D Patent Drill Bit Re-sharpener is portable, easy operation, accurate and fast.

1.t45 thread button bit
2.t45 thread button bits with t45 thread drill rod
3.T45 thread button bits for quarrying tunneling and drifting

High Quality 12-1/4" PDC Drill Bit
Certificate: API 7-1 & ISO9001
Manufacturer

High Quality 17-1/2" PDC Drill Bit
Certificate: API 7-1 & ISO9001
Manufacturer

Multi-Purpose Drill Bits
Drilling on Cast Iron, Harden Steel, Ceramic Tile, Glass, Plexiglass, Fiberglass, Concrete, Marble, Porcelain

1.thread button bits
2.use in mining ,tunnel ,quarry
3.connect with drill rod

High Quality 12-1/4" PDC Drill Bit
Certificate: API 7-1 & ISO9001
Manufacturer

High Quality 9-1/2" PDC Drill Bit
Certificate: API 7-1 & ISO9001
Manufacturer

Specifications 1>Meet with API Spec7-1 &ISO 9001:2008 2>Good quality and after-sale service 3>30 years experience in it.

Matrix body fixed cutters are made from tungsten carbide material. This provides
improved wear resistance and erosion.Additionally, they are typicall

Steel Body PDC
Use high-quality steel to make the base material of PDC bit, the surface of the blade weld high-performance
wear-resistant materials,