Square Drive Kelly Bushing
Request For Quote
Please fill form to contact us
Email Us
Petrorio Drilling Tools
Petrorio Drilling Tools manufactures premium Square Drive Kelly Bushings, built for compatibility with 17.1/2”, 20.1/2”, 27.1/2”, and 37.1/2” Square Drive Master Bushings. Designed to handle Square or Hex Kelly sizes ranging from 3” to 6”, square drive kelly bushings are built for heavy-duty drilling operations, performing reliably under high-torque conditions in both offshore and onshore environments. Equivalent to NOV, Petrorio Square Drive Kelly Bushings combine durability, precision, and operational efficiency.
The Square Drive Kelly Bushings are available in three sizes to fit different Master Bushings:
- 27 SDHD: Suitable for 27.1/2” and 37.1/2” Master Bushings
- 20 SDHD: Suitable for 20.1/2” Master Bushing
- 17 SDHD: Suitable for 17.1/2” Master Bushing
Built from high-quality alloy steel, each bushing undergoes stringent manufacturing and testing processes to ensure optimal strength, wear resistance, and longevity. Square Drive Kelly Bushings are built to withstand the most demanding drilling conditions, minimizing downtime while maintaining safe and efficient operations.
Petrorio Drilling Tools’ Square Drive Kelly Bushings are a reliable solution for precision handling of drill strings, providing operators with consistent performance, safety, and peace of mind during critical drilling operations.
Square Drive Kelly Bushing
Part No.
|
Kelly Size/Type |
SDHD | Roller Assembly Complete ABI P/N | Identical VARCO P/N |
|---|---|---|---|
| 3" Hex | 2701-S | 2101 | 3667 |
| 3.1/2" Hex | 2702-S | 2102 | 2102 |
| 4.1/4" Hex | 2703-S | 2103 | 3669 |
| 5.1/4" Hex | 2704-S | 2104 | 3672 |
| 6" Hex | 2705-S | 2105 | 3673 |
| 3" Sq. | 2706-S | 2106 | 3660 |
| 3.1/2" Sq. | 2711-S | 2110 | 3661 |
| 4.1/4" Sq. | 2707-S | 2107 | 3662 |
| 5.1/4" Sq. | 2708-S | 2108 | 3665 |
| 6" Sq. | 2709-S | 2109 | 3666 |
Part List
|
S. No. |
Description |
Qty. Per Unit |
SDHD |
|---|---|---|---|
|
1 |
Kelly Bushing Body less roller assembly | 01 No. | 2710-S |
|
2 |
Hold down bolt | 04 No. |
2411 |
|
3 |
Hold down bolt lock screw | 04 No. | 2711-A |
|
4 |
Nut for hold down bolt | 04 No. | 2712 |
|
5 |
Lock washer for nut | 04 No. | 2713 |
|
6 |
Drive pin with washer | 04 No. |
- |
|
7 |
Wrench | 01 No. | 2715 |
|
8 |
Wiper assembly | 01 No. | 2716 |
|
9 |
Wiper Retainer Plate | 01 No. | 2716-B |
|
10 |
Wiper Retainer Plate Screw | 08 No. | 2716-C |
| 11 | Roller Pin | 04 No. | 2717 |
| 12 | Roller Bearing | 04 No. | 2718 |
|
13 |
Sleeve Bush | 04 No. | 2719 |
|
14 |
Thrust Washer | 08 No. | 2720 |
|
15 |
Lifting Sling (Four Hooks Type) | 01 No. | 2721 |
