Kelly Bushing Pin Drive

Kelly Bushing Pin Drive

Spectrum Drilling Tools International manufactures Pin Drive Kelly Bushings that conform to the latest edition of API-7K specifications and are duly API-7K monogrammed. These Pin Drive Kelly Bushings are suitable for Pin Drive Master Bushings and are designed to handle Square or Hex Kelly sizes ranging from 3″ to 6″. They are utilized in heavy-duty drilling operations, both offshore and onshore, especially in high torque conditions.

Pin Drive Kelly Bushings are available in three sizes of Master Bushings:

1. 27 PDHD for 27½” / 37½” Master Bushing.
2. 20 PDHD for 20½” Master Bushing.
3. 17 PDHD for 17½” Master Bushing.

Features & Benefits

API Standard
  • Kelly Bushings are designed, manufactured, and tested in accordance with the requirements of API-7K Specification (latest edition) and are supplied with the API-7K Monogram for compliance.

  • Spectrum has held the API-7K License for Kelly Bushings for the past 23 years and continues to do so.

Design Features
  • Spectrum’s Kelly Bushings are equivalent to NOV’s HDP (Heavy-Duty Pin Drive) Kelly Bushing.
  • Spectrum’s Kelly Bushings can accommodate different sizes of Kelly, whether they are Hex or Square, ranging from 3 inches to 6 inches. This versatility is achieved by changing the necessary rollers and wiper assembly as needed.
  • Estimated Design life : 10 Years
Health, Safety and Environment
  • Kelly Bushings are manufactured with strict adherence to HSE (Health, Safety, and Environment) guidelines to ensure the safety of personnel and equipment during drilling operations.
  • Effortless Master Bushing Installation.
  • Quick and Simple Spare Replacement.
  • Products undergo Non-Destructive Testing (NDE) for Quality Assurance.
Lead Time
  • Fastest delivery of both capital equipment and spares within the shortest lead time.

Part No.

Kelly Size / Type 27 PDHD Complete ABI P/N Identical VARCO P/N 20 PDHD Roller Assembly Complete ABI P/N Identical VARCO P/N
3" Hex
2701-P
3650-30
2001-P
2101
3667
3.1⁄2" Hex
2702-P
3650-35
2002-P
2102
2102
4.1⁄4" Hex
2703-P
3650-42
2003-P
2103
3669
5.1⁄4" Hex
2704-P
3650-52
2004-P
2104
3672
6" Hex
2705-P
3650-60
2005-P
2105
3673
3" Sq.
2706-P
3651-30
2006-P
2106
3660
3.1⁄2" Sq.
2721-P
3651-35
2011-P
2110
3661
4.1⁄4" Sq.
2707-P
3651-42
2007-P
2107
3662
5.1⁄4" Sq.
2708-P
3651-52
2008-P
2108
3665
6" Sq.
2709-P
3651-60
2009-P
2109
3666

Part List

S. No. Description Qty. Per Unit 27 PDHD ABI P/N Identical VARCO P/N 20 PDHD
1
Kelly Bushing Body less roller assembly
01 No.
2710-P
3653
2010-P
2
Hold down bolt
04 No.
2711
13501
2711
3
Hold down bolt lock screw
04 No.
2711-A
50110-8-S
2711-A
4
Nut for hold down bolt
04 No.
2712
1208
2712
5
Lock washer for nut
04 No.
2713
51110-C
2713
6
Drive pin with washer
04 No.
2714
1605
2714-S
7
Wrench
01 No.
2715
1210
2715
8
Wiper assembly
01 No.
2716
--
2716
9
Wiper Retainer Plate
01 No.
2716-B
1321
2716-B
10
Wiper Retainer Plate Screw
08 No.
2716-C
50008-10-S
2716-C
11
Roller Pin
04 No.
2717
3609
2717
12
Roller Bearing
04 No.
2718
1312
2718
Sleeve Bush
04 No.
2719
1326
2719
13
Thrust Washer
08 No.
2720
3618
2720
14
Lifting Sling (Four Hooks Type)
01 No.
2721
--
2721

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