12 1\4' HAT 637 tungsten carbide insert tricone drill bit

12 1\4' HAT 637 tungsten carbide insert tricone drill bit

Product description:

Quick Details

  • Place of Origin: Hubei, China (Mainland)
  • Brand Name: Kingdream
  • Model Number: IADC637
  • Type: Center Drill Bit
  • Material: Cobalt Steel Alloys
  • Use: Well Drilling
  • Processing Type: Forging
  • Bearing Type: Rubber sealed slide bearing
  • Drilling Formation: Soft to median soft
  • Payment Term: T/ T&L/ C

Packaging & Delivery

Packaging Details: wooden box; steel box; or as your requirements
Delivery Detail: within 7 days after conform order


1 IADC: 637
2 Bit size 6'-17 1/2
3 API or ISO approved
4 reasonable price, excellent quality
5 high quality reasonable price

We have a Export Department, which specialize in the export of various products made by ourselves including Drill bits, Drill Pipe, TCI tricone bits, PDC bits, PDC Diamond drill bits, roller rock bits, core bits, all size bits in oilfield, water well drilling, mineral and geological and so on. During the twenty years, we have built good business relationships with customers abroad, such as America, Japan, Korea, Germany and so on. Thus the stable supplies, the quality as well as the flexible ways doing business can be reached.


1 Size range from 3 7/8 to 26'

2 Excellent quality and reasonable price

3 API&ISO approved


Size12 14 (311.2mm)
Bearing Typerubber sealed slide bearing
WOB (kN/ mm) 0.70~1.20
RPM (r/ min) 70~40
Applicable Formations

Median hard formations and higher abrasives formations with high compressive strength, such as limestone, dolomite, sandstone, chert, etc.



T/ T and L/ C are acceptable

Available products:

bit size (inc) bit size (mm) bit type
8 3/8212.7HJ437G; HJ517GL; HJT517GL; HJ537GL; HJT537GH
8 1/2215.9HJT117; HJT137; HJ417; HJ437; HJT447G; HJ517G; HJ517GL; HJS517G; HJ537G; HJT537GH; HJS537GL; HJ547G
8 3/4222.3HJT117, HJT537G
9 1/2241.3HJ437; HJ517G; HJT517GL; HJ537G; HJT537GL; HJ617G; HJT617GH; HJ637G; HJT637GH
9 5/8244.5HJ537G
9 7/8250.8HJT117; HJ417; HJ43
10 5/8269.9HJT127; HJT137; HJT517G
12 1/4311.2HJT117; HJT117G; HJ127; HJT127G; HJ137; HJ417; HJ437; HJ517G; HJS517G; HJ537G; HJS537G; HJ617G; HJ637G
17 1/2444.5HJ517G; HJ527G; HJ537G

If you have any further questions, please feel free to contact us. I am always glad to be service to you.