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3G Electric
PROTO J5544HL 3/4" Drive 1-3/8" 6-Point Deep Satin Socket - 3/4" Drive Hand Sockets
PROTO3/4" Drive Hand Sockets

PROTO J5544HL 3/4" Drive 1-3/8" 6-Point Deep Satin Socket

The PROTO Socket: SAE is a 3/4" Drive Hand Socket from PROTO, model J5544HL. It features a 1 3/8" socket size, 6-point deep design, and a satin finish. This socket is not tether capable.

SKU 3G-OTH-315073

Brand
PROTO
Item
J5544HL 3/4" Drive 1-3/8" 6-Point Deep Satin Socket
Part Number
J5544HL
Category
3/4" Drive Hand Sockets
Available to Order
Also known as:J5544HLPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J5544HL
Type
6-Point, Deep, Satin, Not Tether Capable
Socket Size
1 3/8 in
Drive Size
3/4 in

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

Product Description

The PROTO Socket: SAE is a 3/4" Drive Hand Socket from PROTO, model J5544HL. It features a 1 3/8" socket size, 6-point deep design, and a satin finish. This socket is not tether capable.

Frequently Asked Questions

What is the PROTO J5544HL socket used for?

The PROTO J5544HL is a 3/4 in drive, 1 3/8 in, 6-point deep socket used for heavy-duty fastening and loosening of SAE hex nuts and bolts in industrial maintenance, automotive repair, and machinery assembly. Its deep design reaches recessed fasteners, and the satin finish resists corrosion.

What are the specifications of the PROTO J5544HL socket?

The PROTO J5544HL is a 3/4 in drive hand socket with a 1 3/8 in SAE socket size, 6-point deep profile, and satin finish. It is not tether capable. The manufacturer part number is J5544HL, and it is designed for professional-grade torque applications.

Where to buy the PROTO J5544HL socket worldwide?

3G Electric supplies the PROTO J5544HL socket worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this PROTO socket for your maintenance or assembly operations.

How to select the correct PROTO socket for a job?

To select the correct PROTO socket, match the drive size (3/4 in) to your ratchet or torque wrench, and the socket size (1 3/8 in) to the fastener head. Choose 6-point for maximum grip on hex bolts, and deep for recessed fasteners. Confirm tether requirements if working at height.

Used in

Common applications for PROTO
Industrial maintenance — PROTO J6014CXCERT micrometer torque wrench for tightening fasteners to 50–250 ft-lb with tether capability.
Assembly operations — PROTO J6345A electronic torque wrench for 5–50 ft-lb control with audible and visual indicators.
Plumbing and mechanical — PROTO J812HD straight pipe wrench with 2 in jaw capacity for gripping and turning pipes.
Precision fastening — PROTO J61929 multi-bit screw and nut driver kit with 26 alloy steel bits for assembly and maintenance.
Tool organization — PROTO JUC3743-3SG heavy-duty utility cart with drawers, power strip, and padlock for shop floor use.
Metric fastener service — PROTO JSCVM-20SB 20-piece ratcheting combination wrench set covering 6 mm to 32 mm.
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PROTO Products

3G Electric supplies PROTO 3/4" drive hand sockets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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