step drill bit

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

12 1/2" IADC 216,217 Tricone Drill Bit
1. All sizes available
2. Good quality and after-sale service
3. Reasonable price

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.

1. All sizes available
2. Sealed bearings
3. Gauge protection
4. Low cost
5. Can be customized

1. All sizes available
2. Sealed bearings
3. Gauge protection
4. Low cost
5. Can be customized

1-Bit API or ISO 9001
2-Bit size 8 1/2" 215,9mm
3-Bit rubber&metal bearing
4-Bit 900 $/pcs
5-Bit IADC code437G-737G

Carbon Steel Tct Drill&nbs

66pc drill and driver bit set plastic box packing

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

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,

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

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

1,tungsten carbide insert tricone bit
2.certified by ISO,API
3.wide size code
4.best price

Portable idiot drill bit re-sharpening machine, twist drill grinder, universal small drill grinder, universal big drill grinder.

We supply compact machining devices such as drill bit grinder in different models bearing variations in drilling capacities.

Steel Body PDC Drill Bit
1.Cover all IADC codes
2.Large inventory on hand
3.High quality ,low price
4.Can be customized

This TCI tricone bit used for water well drilling. For soft to medium hard rocks.Application: soft shale, medium soft limestone, medium soft sandston

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

PDC non-core 3 wings water well drill bit
1.good quality, low cost
2.MOQ 2 pieces
3.effective drilling speed
4.for coal mining drilling

made of 40Cr Steel with industrial grade carbide tip for long tipe and efficient drilling
Shank: Straight shank
Milled, L Flutes,Sand blaster

symmetric Overburden casing system/Eccentric overburden drill bit

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

1. All sizes available
2. Sealed bearings
3. Gauge protection
4. Low cost
5. Can be customized

Coating: TiN
MOQ: 500sets
Package: plastic box + double blister card

1.The body of this drill bits is milled
2.Tip sharpened to provide maximum cutting power.
3.A simple, carefully made bit