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PROTO J4770-37 Multi-Tip Shape Bit Socket Set, 37 Pieces, 3/8 in Drive, Metric - Multi-Tip Shape Bit Socket Sets
PROTOMulti-Tip Shape Bit Socket Sets

PROTO J4770-37 Multi-Tip Shape Bit Socket Set, 37 Pieces, 3/8 in Drive, Metric

The PROTO Socket Bit Set (MPN J4770-37) is a 50-piece multi-tip shape bit socket set with a fixed insert. It includes 37 pieces and offers drive sizes of 1/4 in and 3/8 in, covering Torx sizes T10 to T55.

SKU 3G-OTH-317971

Also listed as: J477037 · J4770 37

Brand
PROTO
Item
J4770-37 Multi-Tip Shape Bit Socket Set, 37 Pieces, 3/8 in Drive, Metric
Part Number
J4770-37
Category
Multi-Tip Shape Bit Socket Sets
Available to Order
Also known as:J4770-37PROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J4770-37
Type
- 50 Pieces, 1/4 in, Fixed Insert, Metric
Pieces
37
Drive Size
3/8 in

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

Product Description

The PROTO Socket Bit Set (MPN J4770-37) is a 50-piece multi-tip shape bit socket set with a fixed insert. It includes 37 pieces and offers drive sizes of 1/4 in and 3/8 in, covering Torx sizes T10 to T55.

Frequently Asked Questions

What is the PROTO J4770-37 socket bit set used for?

The PROTO J4770-37 socket bit set is used for driving Torx fasteners in industrial assembly, maintenance, and repair tasks. It suits automotive, aerospace, and general manufacturing applications where precise torque on T10 to T55 fasteners is required.

What are the specifications of the PROTO J4770-37 socket bit set?

The PROTO J4770-37 is a 50-piece multi-tip shape bit socket set with a fixed insert. It includes 37 pieces and offers drive sizes of 1/4 in and 3/8 in, covering Torx sizes T10 to T55. The set is metric and manufactured by PROTO under MPN J4770-37.

Where to buy the PROTO J4770-37 socket bit set worldwide?

You can source the PROTO J4770-37 socket bit set worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the right PROTO socket bit set for Torx fasteners?

To select the right PROTO socket bit set, match the drive size (1/4 in or 3/8 in) to your ratchet or driver, and ensure the Torx range (T10 to T55) covers your fastener sizes. The J4770-37 set with fixed insert is ideal for repetitive Torx applications requiring consistent engagement.

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 multi-tip shape bit socket sets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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