milling drill bit

milling drill bit

Product description:

Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: hughes
  • Model Number: 26'/ 17 1/2'/ 15 1/2'/ 12 1/4
  • Type: steel tooth tricone bit
  • Material: Tungsten Carbide
  • Use: Well Drilling
  • bearing: : seald bearing/ open bearing
  • IADC: : 117/127/217
  • color: : red
  • Delivery Date: : 7 work days
  • Delivery Term: : By sea/ air
  • brand: hughes
  • price: : $2500/ pcs
  • Payment Term: : T/ T / L/ C/ western union
  • discount: free chrage for delievery
  • inventory: more bits

Packaging & Delivery

Packaging Details: wooden box; steel box; or as your requirements
Delivery Detail: within 7-15 work days


1-Bit hughes
2-Bit size big size
3-Bit seald bearing
4-Bit FOB price $2500/ pcs
5-Bit IADC117/127/217

26 (660.4mm) HAT111 steel tooth bit

1, Structure features:

W series bit for the seal rolling bearing the bit. For high speed drilling, geothermal well drilling, it is an ideal and economic tools. The main structure features:

1, 17.1/2 above disc bit of its main structure features: drill for a style, level 3 rolling bearing and two way thrust, steel ball lock, center, suitable for high speed often.

2 and 12 more than one quarter of the disc bit its main structure features: drill for no style, level 3 rolling bearing, a thrust, steel ball lock, deduces the center. Suitable for high speed.

3 and 12 1/4 of the disc bit its main structure features: drill for no style, level 2 rolling bearing, a thrust, small shaft sliding, steel ball lock, suitable for high speed.

4, drill bits, bearing no seal, drilling fluid directly into bearing cavity cooling bearing, suitable for geothermal well drilling.

Product advantage:

Suitable for geothermal well drilling

W series oil with three disc bit of optional size, type:

bit size (in) bit size (mm) bit type

API size


screw thread


12 1/4311.2W111; W121; W131; W3216 8/537.9- 43.3
17 1/2444.5W111; W121; W1317 5/846.1- 54.2
20508W111; W121; W1317 5/846.1- 54.2
24609.6W111; W121; W1317 5/846.1- 54.2
26660.4W111; W121; W1317 5/846.1- 54.2

Bit sizeIADCApplication

Cutting structure


kN/ mm


r/ min


Low compressive strength; high drillability of extremely soft formation; such as soft shale; clay; salt; etc

Tooth face; back cone hardfaced strengthening; tooth of the exposed high; cone set foot back in gear and discharge tooth back cone added between a row of trimming teeth

0.35- 0.90180- 80

2, details pictures:


4, Certificate:

5, we can provide more size

6, Payment terms

T/ T and L/ C are acceptable. (30% advanced payment after sign the contranct , then 70% payment after see the B/ L)

7, contact person

8, plz add this formation in you inquiry

1) bits size

2) bits IADC CODE

3) layer information

4) bits quantity