1.Best result at low cutting speed.
2.Head designed conform to DIN335C, Bits shank conform to DIN3216.
3.3 cutting edges.
Port: SHANGHAI
Minimum Order Quantity: 200 Piece/Pieces
Supply Ability: 2000000 Piece/Pieces per Month
Payment Terms: T/T,Western Union
Contact Supplier
Packaging Detail: Individual packing in Plastic tube or Plastic blister card.
Delivery Detail: 25-30days
HSS 3 Flute Countersink 90 degree
1/4" Hex Bits Shank Series
* 60 degree, 75 degree, 82 degree & 120 degree are available.
* 3 cutting edges; Head designed conform to DIN335C, Bits shank conform to DIN3216.
* Best result at low cutting speed.
* Quickly and accurately countersink, deburring, and chamfer in any machinable materials
including iron, steel, plastic or wood.
* Fits for all bits holders.
* For any standard cordless drill, because of 1/4" Hex Shank.
* M35 HSSCo5% (HSS-E) available for specified requirements.
* Surface: White Finish, Black Finish, Titanium Coated & TiALN Coated are available.
* Packaging: Individual packing in Plastic tube or Plastic blister card.
* Countersink Set are available.
Size Metric:
Model No.: More Models
Features: New Single drill bit
1)certified by API
2)suitable for low compressive strength, soft formation
3)covers all IADC codes
Model No.: 75mm; 94mm; 113mm etc.
Features: 1.PDC bit has 3 reinforced PDC blade;
2.Super anti-wear characteristic;
3.Ultra-durability;
4.Patented products;
5.25 years.
Model No.: J series Low air pressure
Features: Our J series Low air Down the hole bit is of high quality and low prices
Model No.: made-to-order
Features: 1coal drill bit/coal bit/anchor shank bit various kinds of drill bits,cutter bits
2we have low price and supreme quality
Model No.: 3-3/5" to 26"
Features: Newest TCI Tricone Bits
1)used for oil filed, water well
3)metal seal or rubber seal
4)Cerfied by API &ISO
5)FOB 100~3000$
Model No.: size 3-3/5" to 26"
Features: Newest Tricone Rock Bits
1)Certified by API & ISO
2)20 experience
3)Best quality and best service
4)FOB 100~3500 USD
Model No.: 3-3/5" to 26"
Features: Newest TCI Tricone Bits
1)used for oil filed, water well
3)metal seal or rubber seal
4)Cerfied by API &ISO
5)FOB 100~3000$
Model No.: COP/CIR/IR/DHD
Features: High and low air pressure down-the-hole drill bits
Low air pressure holeDia.:65-220mm
High air pressure hole Dia.:85-305mm
Model No.: All types
Features: Specialisted in producing of Surface-set/ Impregnated diamond core bit, synthetic diamond bit, casing shoe bit, TC bit, NQ, HQ,,
Model No.: 637
Features: Newest TCI Tricone Bits
1)used for oil filed, water well
3)metal seal or rubber seal
4)Cerfied by API &ISO
5)FOB 100~3000$
Model No.: N22
Features: Electroplated straight drill
1.NO.1 manufacturer of grinding wheel in china,OEM available.
2.ISO9001:2000 & Germany MPA .
Model No.: 25mm-450mm
Features: 1.Diamond core drill bit has long service life;
2.High efficiency;
3.Over 25 years experiences
4.good quality and good price