1) brand new Insert tooth tricone bit
2) Size range from 3 7/8 to 12 1/4, including all IADC code.
3) Insert tooth drill bit
Port: Tiajin seaport/China
Minimum Order Quantity: 1 Piece/Pieces
Supply Ability: 800 Piece/Pieces per Month
Payment Terms: L/C,T/T
Contact Supplier
Packaging Detail: Plywood cases
Delivery Detail: 7 workdays after confirming your order
517Medium Formation TCI Tricone Bits
The 517 features aggressive chisel tungsten carbide inserts on the heel rows and inner rows.This design provides a fast drilling rate and added cutting structure durability in medium-to-medium hard for-mations.The HSN rubber O-ring provides adequate sealing for bearing durability.
The bit should be kept indoor with dry and well ventilated conditions at 10-30°C and kept from sunshine and rain. Stored under such conditions, quality of the bit is guaranteed for 4 years.
Bit size | Inch(in) | 5 7/8 | 6 | 61/8 | 6 1/4 | 7 7/8 | 8 3/8 | 8 1/2 | 8 3/4 | 9 1/2 | 9 5/8 | 9 3/4 | 9 7/8 | 12 1/4 | 13 3/4 |
| Metric(mm) | 149.2 | 152.4 | 155.6 | 158.7 | 200.0 | 212.7 | 215.9 | 222.2 | 241.3 | 244.5 | 247.3 | 250.8 | 311.1 | 349.2 | |
Bit type | 437 | 437 | 437 | 437 | 447 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | 417 | |
| 517 | 517 | 517 | 517 | 517 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | 437 | ||
| 537 | 537 | 537 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | 517 | ||||
| 617 | 617 | 547 | 537 | 537 | 537 | 537 | 537 | 537 | 537 | 537 | |||||
| 637 | 637 | 617 | 617 | 617 | 617 | ||||||||||
| 637 | 637 | 637 | |||||||||||||
API Regular Pin (in) | 3 1/2 | 4 1/2 | 6 5/8 | ||||||||||||
Recommended make-up torque for bit shank (KN.m) | 9.50-12.2 | 16.30-21.70 | 37.93-43.30 | ||||||||||||
Model No.: CT1058
Features: 17pcs Combination Drill Set
1) HSS Twist Drill:1,1.5,2,2.5,3,3.5,4,4.5,5,5.5,6,6.5mm
2) Item No:CT1058
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the certificate of ISO9001 and ISO14001
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british system,extra long length
on-time delivery
excellent quality
competitive low price
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diamond drill bit
diameter from 5 to 120mm,sintered segment,continous rim,
length 75mm,1/2"GAS CNC thread
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2). flat,concave, convex, drop center
3). MOQ: 1pcs
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DIN1897, Short length drill bits!
HSS 9341 Drill bits.
All color can be avaiable!
Order Now.
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Stable quality, good sharpness
Ten years' export experience
Good feedback
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