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OTC Locknut Socket: 3/4 in Drive Size, 55 mm Socket Size, 6-Point, Deep - Metric Lock Nut Sockets
OTCMetric Lock Nut Sockets

OTC Locknut Socket: 3/4 in Drive Size, 55 mm Socket Size, 6-Point, Deep

The OTC Locknut Socket (MPN 1951M) is a metric lock nut socket with a 3/4 in drive size and a 55 mm, 6-point, deep socket design. It features an unfinished finish and is not tether capable.

SKU 3G-OTH-328978

Also listed as: 1951 M · 1951-M

Brand
OTC
Item
Locknut Socket: 3/4 in Drive Size, 55 mm Socket Size, 6-Point, Deep
Category
Metric Lock Nut Sockets
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OTC
Manufacturer Part Number
1951M
Type
6-Point, Deep, Unfinished
Socket Size
55 mm

Technical Documents

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OTC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OTC Locknut Socket (MPN 1951M) is a metric lock nut socket with a 3/4 in drive size and a 55 mm, 6-point, deep socket design. It features an unfinished finish and is not tether capable.

Frequently Asked Questions

What is the OTC 1951M locknut socket used for?

The OTC 1951M locknut socket is designed for tightening or loosening metric lock nuts on heavy-duty equipment. Its 55 mm, 6-point, deep profile provides secure engagement on recessed fasteners, commonly used in automotive, industrial machinery, and off-road vehicle maintenance.

What are the specifications of the OTC 1951M locknut socket?

The OTC 1951M locknut socket has a 3/4 in drive size, 55 mm socket size, 6-point configuration, and deep design. It has an unfinished finish and is not tether capable. The manufacturer part number is 1951M. It is a metric lock nut socket for heavy-duty applications.

Where to buy the OTC 1951M locknut socket worldwide?

3G Electric supplies the OTC 1951M locknut socket worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this metric lock nut socket for your maintenance or repair needs.

How to select the correct OTC locknut socket for my application?

To select the correct OTC locknut socket, match the drive size (3/4 in) and socket size (55 mm) to your fastener. Ensure the 6-point, deep design fits the lock nut profile. For recessed nuts, the deep socket provides necessary reach. Verify your torque requirements and tool compatibility before ordering.

Used in

Common applications for OTC
Automotive repair — OTC bearing splitters (model 1124) for removing bearings from transmission shafts
Heavy equipment maintenance — OTC hydraulic electric pump (model 4044) for powering hydraulic cylinders in press applications
Truck wheel service — OTC Budd Wheel Socket (MPN 1948A) for removing and installing lug nuts on commercial vehicles
Industrial assembly — OTC lock nut sockets (MPN 1939) for tightening SAE lock nuts on machinery
Agricultural equipment repair — OTC puller set (model 4518) for extracting gears and pulleys from tractor components
Construction equipment maintenance — OTC drive socket set (MPN 4542) for servicing metric and SAE fasteners on excavators

OTC Products

3G Electric supplies OTC metric lock nut sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
ITL Insulated Socket: 1/4 in Drive Size, 13 mm/33/64 in Socket Size, 1 5/8 in Overall Lg, 6-Point (MPN 07218)
ITL
ITL Insulated Socket: 1/4 in Drive Size, 13 mm/33/64 in Socket Size, 1 5/8 in Overall Lg, 6-Point (MPN 07218)
ITL Insulated Socket: 1/4 in Drive Size, 4.5mm Socket Size, 1 5/8 in Overall Lg, 6-Point, Std (MPN 07201)
ITL
ITL Insulated Socket: 1/4 in Drive Size, 4.5mm Socket Size, 1 5/8 in Overall Lg, 6-Point, Std (MPN 07201)
ITL Insulated Socket: 1/4 in Drive Size, 23/64 in/9 mm Socket Size, 1 5/8 in Overall Lg, 6-Point (MPN 07210)
ITL
ITL Insulated Socket: 1/4 in Drive Size, 23/64 in/9 mm Socket Size, 1 5/8 in Overall Lg, 6-Point (MPN 07210)
ITL Insulated Socket: 1/4 in Drive Size, 11 mm/7/16 in Socket Size, 1 5/8 in Overall Lg, 6-Point (MPN 07214)
ITL
ITL Insulated Socket: 1/4 in Drive Size, 11 mm/7/16 in Socket Size, 1 5/8 in Overall Lg, 6-Point (MPN 07214)
ITL Insulated Socket: 1/4 in Drive Size, 5 mm Socket Size, 1 5/8 in Overall Lg, 6-Point, Std, Chrome (MPN 07202)
ITL
ITL Insulated Socket: 1/4 in Drive Size, 5 mm Socket Size, 1 5/8 in Overall Lg, 6-Point, Std, Chrome (MPN 07202)
ITL Insulated Socket: 1/4 in Drive Size, 14 mm/35/64 in Socket Size, 1 5/8 in Overall Lg, 6-Point (MPN 07220)
ITL
ITL Insulated Socket: 1/4 in Drive Size, 14 mm/35/64 in Socket Size, 1 5/8 in Overall Lg, 6-Point (MPN 07220)

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