OTCSAE Lock Nut Sockets
OTC Locknut Socket: 3/4 in Drive Size, 5 1/4 in Socket Size, 6-Point, Deep
The OTC Locknut Socket (MPN 1939) is a deep, 6-point SAE lock nut socket with a 3/4 in drive size and 5 1/4 in socket size. It features an unfinished surface finish and is not tether capable.
SKU 3G-OTH-329049
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OTC Products
3G Electric (S) Pte. Ltd. — Singapore
Product Description
The OTC Locknut Socket (MPN 1939) is a deep, 6-point SAE lock nut socket with a 3/4 in drive size and 5 1/4 in socket size. It features an unfinished surface finish and is not tether capable.
Used in
Common applications for OTCAutomotive 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 sae lock nut sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















