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OTC 1981 SAE Lock Nut Socket, 2-1/2 in, 6-Point Deep, Unfinished - SAE Lock Nut Sockets
OTCSAE Lock Nut Sockets

OTC 1981 SAE Lock Nut Socket, 2-1/2 in, 6-Point Deep, Unfinished

The OTC Locknut Socket (MPN 1981) is a deep, 6-point SAE lock nut socket with a 3/4 in drive size and 2 1/2 in socket size. It features an unfinished surface finish and is not tether capable. This socket is designed…

SKU 3G-OTH-329034

Brand
OTC
Item
1981 SAE Lock Nut Socket, 2-1/2 in, 6-Point Deep, Unfinished
Part Number
1981
Category
SAE Lock Nut Sockets
Available to Order
Also known as:1981OTC
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OTC
Manufacturer Part Number
1981
Type
6-Point, Deep, Unfinished
Socket Size
2 1/2 in

Technical Documents

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

Product Description

The OTC Locknut Socket (MPN 1981) is a deep, 6-point SAE lock nut socket with a 3/4 in drive size and 2 1/2 in socket size. It features an unfinished surface finish and is not tether capable. This socket is designed for use with SAE lock nuts.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OTC Locknut Socket 1981 used for?

The OTC Locknut Socket 1981 is designed for tightening or loosening SAE lock nuts in heavy-duty industrial applications. Its deep, 6-point profile provides secure engagement on stubborn fasteners, commonly used in automotive, machinery, and equipment maintenance where high torque is required.

What are the specifications of the OTC Locknut Socket 1981?

The OTC Locknut Socket 1981 has a 3/4 in drive size and a 2 1/2 in socket size. It is a deep, 6-point SAE lock nut socket with an unfinished surface finish and is not tether capable. The manufacturer part number is 1981.

Where to buy the OTC Locknut Socket 1981 worldwide?

3G Electric supplies the OTC Locknut Socket 1981 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this deep, 6-point SAE lock nut socket.

How to select the correct OTC lock nut socket for SAE fasteners?

To select the correct OTC lock nut socket, match the socket size (2 1/2 in) and drive size (3/4 in) to your fastener. Ensure the socket is deep enough for full nut engagement and that the drive matches your ratchet or impact wrench. OTC’s 6-point design reduces rounding on worn nuts.

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
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OTC Products

3G Electric supplies OTC sae 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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This 6-point deep SAE lock nut socket has a 2-1/4 in socket size. It is designed for tightening or loosening lock nuts on SAE fasteners, particularly in applications where recessed nuts require extended reach. The unfinished surface finish provides a standard grip. Not tether capable
OTC
This 6-point deep SAE lock nut socket has a 2-1/4 in socket size. It is designed for tightening or loosening lock nuts on SAE fasteners, particularly in applications where recessed nuts require extended reach. The unfinished surface finish provides a standard grip. Not tether capable

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