8 1\2' HJT 537 tricone drill bit

8 1\2' HJT 537 tricone drill bit

Product description:

Quick Details

  • Place of Origin: Hubei, China (Mainland)
  • Brand Name: Kingdream
  • Model Number: IADC537
  • Type: Center Drill Bit
  • Material: Cobalt Steel Alloys
  • Use: Well Drilling

Packaging & Delivery

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


1 IADC: 537
2 Bit size 6'-17 1/2
3 API or ISO approved
4 reasonable price, excellent quality
5 Dia: 8.5in (215.9mm)


1 Size range from 3 7/8 to 26'

2 Excellent quality and reasonable price

3 API&ISO approved


Size8 1/2 (215.9mm)
Bearing Typemetal sealed slide bearing
WOB (kN/ mm) 0.50~1.05
RPM (r/ min) 220~40
Applicable Formations Soft to median soft formations with low compressive strength, such as argillite, anhydrite, cotton rock, sandstone, etc.

Details :



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