Kelly Bushing Pin Drive

Spectrum Drilling Tools International manufactures Kelly Bushing Pin Drive that conforms to the latest edition of API-7K specifications and is duly API-7K monogrammed. These Kelly Bushing Pin Drives 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.

Kelly Bushing Pin Drive is available in three sizes of Master Bushings:

1. 27 PDHD for 27.1/2” / 37.1/2” Master Bushing.
2. 20 PDHD for 20.1/2” Master Bushing.
3. 17 PDHD for 17.1/2” 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
13	Sleeve Bush	04 No.	2719	1326	2719
14	Thrust Washer	08 No.	2720	3618	2720
15	Lifting Sling (Four Hooks Type)	01 No.	2721	—	2721