Main Products: Petroleum Equipments
API Drill collar THREAD GAUGES (IF, REG,FH,NC)
USD $500.00 - $500.00 /Piece
Min.Order:1 Piece
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Sinotai Petroleum Equipment Co., Ltd.
Credit Member 4 years 
Business Type: Trading Company
Shandong ChinaMain Products: Petroleum EquipmentsProduct Details
Drill collar THREAD GAUGES
Tool joint thread gauges are comprehensive measuring instruments for checking connection threads of tool joints, swivels, Kellies, and drill collars. There are four types of thread gauges depending on the type of tool joint: regular (REG), full hole (FH), internal flush (IF), and numerical connection (NC).
TECHNICAL PARAMETER
NC | ||
Thread type | Number of Threads/thread pitch (in) | Taper(in/ft) |
NC23 | 4(6.35) | 1:6(2) |
NC26 | 4(6.35) | 1:6(2) |
NC31 | 4(6.35) | 1:6(2) |
NC35 | 4(6.35) | 1:6(2) |
NC38 | 4(6.35) | 1:6(2) |
NC40 | 4(6.35) | 1:6(2) |
NC44 | 4(6.35) | 1:6(2) |
NC46 | 4(6.35) | 1:6(2) |
NC50 | 4(6.35) | 1:4(3) |
NC56 | 4(6.35) | 1:4(3) |
NC61 | 4(6.35) | 1:4(3) |
NC70 | 4(6.35) | 1:4(3) |
NC77 | 4(6.35) | 1:4(3) |
REG | ||
Thread type | Number of Threads/thread pitch (in) | Taper(in/ft) |
2 3/8REG | 5(5.08) | 1:4(3) |
2 7/8REG | 5(5.08) | 1:4(3) |
3 1/2REG | 5(5.08) | 1:4(3) |
4 1/2REG | 5(5.08) | 1:4(3) |
5 1/2REG | 4(6.35) | 1:4(3) |
6 5/8REG | 4(6.35) | 1:6(2) |
7 5/8REG | 4(6.35) | 1:4(3) |
8 5/8REG | 4(6.35) | 1:4(3) |
FH | ||
Thread type | Number of Threads/thread pitch (in) | Taper(in/ft) |
3 1/2FH | 5(5.08) | 1:4(3) |
4 1/2FH | 5(5.08) | 1:4(3) |
5 1/2FH | 4(6.35) | 1:6(2) |
6 5/8FH | 4(6.35) | 1:6(2) |
2 7/8FH | 5(5.08) | 1:4(3) |
IF | ||
Thread type | Number of Threads/thread pitch (in) | Taper(in/ft) |
5 1/2IF | 4(6.35) | 1:6(2) |
4 1/2IF | 4(6.35) | 1:6(2) |
4 IF | 4(6.35) | 1:6(2) |
3 1/2IF | 4(6.35) | 1:6(2) |
2 7/8IF | 4(6.35) | 1:6(2) |
2 3/8IF | 4(6.35) | 1:6(2) |
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