API 6"Square Kelly in machinery equipment
Details
1.Standard:API
2. Size: 2-1/2"-6"
3. Processing Type: Forging
4. Use: Well Drilling
5. Kelly type: square or hexagonal
6. Box connection type: 6 5/8 REG
7. Material:AISI 4142H-4145H forged or rolled alloy steel
8. Packaging Detail: Iron shelves or as your requirement
9. Delivery Detail: 30 days
Factory directly
Usage: Kelly is the drive part of whole drill string, it transmit the torsional energy from the rotary table to the bit in the bottom of the hole.
Features:
1. Kelly is at the upper end of drilling string includes squre and hexagon ,both are available according to customers' requirements.
2.During the rotary drilling process, combined with Kelly bushing and rotary ,it can transports surface rotary torque to drilling pipe to make drilling bit rotate and support drilling string hang weight with excellent load capacity
3. It can also support drilling hang weight and reverse torque during turbine drilling or screw rod drilling.
4. Simple structure, excellent quality, a long service life.
Specification
Kelly Size | Length (mm) | Upper Box Connection | Lower Pin Connection | I.D.(mm) | Driving Section | |||||||
mm | in | Type(LH) | O.D. (mm) | Cross Flat (mm) | For Square (mm) | Cross Corner for Hex (mm) | ||||||
Std | Optional | Std | Optio nal | Thread | O.D.(mm) | |||||||
63.5 | 2-1/2 | 12.19 | 6-5/8REG | 4-1/2REG | 196.8 | 146 | 85.7 | 31.8 | 63.5 | 83.3 | ||
76.2 | 3 | 12.19 | 6-5/8REG | 4-1/2REG | 196.8 | 146 | NC26 | 104.8 | 44.4 | 76.2 | 100 | 85.7 |
88.9 | 3-1/2 | 12.19 | 6-5/8REG | 4-1/2REG | 196.8 | 146 | NC31 | 120.6 | 57.2 | 88.9 | 115.1 | 100.8 |
108 | 4-1/4 | 12.9 | 6-5/8REG | 4-1/2REG | 196.8 | 146 | NC38 | 158.8 | 71.4 | 108 | 141.3 | 122.2 |
NC38 | 161.9 | 71.4 | 108 | 141.3 | 122.2 | |||||||
133.4 | 5-1/4 | 12.9 | 6-5/8REG | 4-1/2REG | 196.8 | 146 | NC46 | 177.8 | 82.6 | 133.3 | 175.4 | 151.6 |
NC50 | 177.8 | 82.6 | 133.3 | 175.4 | 151.6 | |||||||
152.4 | 6 | 12.9 | 6-5/8REG | 196.8 | 146 | 5-1/2FH | 152.4 | 173 | ||||
NC56 | 152.4 | 173 | ||||||||||
More Details Pictures,
Workshop
About delivery:
Generally, if KELLY are in stock, warehouse machine need 3 days delivery for paint and package, tell us: what colors u need. If every material is ready, 10 days finish the goods.
If material is not ready, 30 days to delivery. Because we still have other order to do at the same time.
And we will sign 45 days in agreement; delivery time is usually in advance
About Logo: KW, we can produce according to customer requirements.
About Quality: All the products with API, low price are not -API, cannot be exported.
About Warranty: Warranty period is 1 year after installation.
About Payment: 30% of the advance payments, delivery time, please pay 70%.
About Ttechnical Documents: I submit the following accompanying technical information in English,
A: Test Report in accordance with the appropriate API or national test standards outline
B. Commerial Invoice
C: Original copy of quality certificate
D: Packing List
E: The chemical element ,Mechanical properties.
About Service:
We believe in Customer delight, achieved by the supply of Quality Products & Services and Continual Improvement in our Manufacturing Processes for timely delivery at competitive prices. We work in a professional, competitive, and cost-effective manner consistent with the Customer requirement.
When ordering Please specify:
Kelly type (square or hexagonal);
Nominal size and overall length;
Upper and lower Connections.
