Drag Bits

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Drag Bits

Our Drag Bits are manufactured to standard or custom sizes . Drag bits are drill bits for use in soft formations such as clay, sand and some soft rock.

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Details

Drag Bits Step Type One Piece 3-way

Bit Size

Pin Type

2-3/4" - 3-1/2" 4 THD N-ROD
3-5/8" - 4-3/4" 2-3/8" API PIN
4-7/8" - 5-1/8" 2-3/8" API PIN
5-1/4" - 5-1/2" 2-3/8" API PIN
5-5/8" - 6" 2-3/8" API PIN
6-1/8" - 6-1/4" 2-3/8" API PIN
6-1/2" - 6-3/4" 2-3/8" API PIN
5-1/2" - 6-3/4" 3-1/2" API PIN
6-7/8" - 7-7/8" 3-1/2" API PIN
8" - 9" 3-1/2" API PIN
9-1/8" - 10-7/8" 3-1/2" API PIN
7-7/8" - 8-7/8" 4-1/2" API PIN
9" - 9-7/8" 4-1/2" API PIN
10" - 10-7/8" 4-1/2" API PIN
11" - 12-1/4" 3-1/2" or 4-1/2" API PIN

Kelly Bits

Bit Size

Pin Type

3-7/8" ARCO, 2" IF
4-3/4" - 5-1/4" 2-3/8" MHJR, FA, MR, IF
5-1/2" - 6-3/4" 2-3/8" MHJR, FA, MR, IF
6-7/8" - 7-7/8" 2-3/8" MHJR, FA, MR, IF
8" - 10" 2-3/8" MHJR, FA, MR, IF

H.D. Chevron One-Piece Bits

Bit Size

Pin Type

3/4" - 2-1/2" A-ROD, AW
2-5/8" - 2-7/8" A-ROD, AW
2-3/4" - 3-1/4" 3THD/4THD N-ROD, 2" IF
3-3/8" - 3-3/4" 3THD/4THD N-ROD, 2" IF
3-3/4" - 4-3/4" 2-3/8" API PIN
4-7/8" - 5-1/8" 2-3/8" API PIN
5-1/4" - 5-1/2" 2-3/8" API PIN
4-5/8" - 5" 2-7/8" API PIN
5-1/8" - 5-1/2" 2-7/8" API PIN
5-1/2" - 6-1/4" 3-1/2" API PIN
6-1/2" - 6-3/4" 3-1/2" API PIN
7" - 7-1/2" 3-1/2" API PIN
7-5/8" - 8" 3-1/2" API PIN
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