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PROTO J5457F Flex-Head Ratchet, 1/2 in Drive, 17 in Length, Chrome - Flex-Head Ratchets
PROTOFlex-Head Ratchets

PROTO J5457F Flex-Head Ratchet, 1/2 in Drive, 17 in Length, Chrome

The PROTO Hand Ratchet: Round (SKU J5457F, MPN J5457F) is a flex-head ratchet with a 1/2 in drive size and 17 in overall length. It features a reversible operation, a chrome finish, and a 5° minimum arc swing, with…

SKU 3G-OTH-282198

Brand
PROTO
Item
J5457F Flex-Head Ratchet, 1/2 in Drive, 17 in Length, Chrome
Part Number
J5457F
Category
Flex-Head Ratchets
Available to Order
Also known as:J5457FPROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J5457F
Type
Reversible, Chrome
Overall Lg
17 in
Arc Swing
5° Min
Drive Size
1/2 in

Technical Documents

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

Product Description

The PROTO Hand Ratchet: Round (SKU J5457F, MPN J5457F) is a flex-head ratchet with a 1/2 in drive size and 17 in overall length. It features a reversible operation, a chrome finish, and a 5° minimum arc swing, with no quick-release mechanism included.

Frequently Asked Questions

What is the PROTO J5457F hand ratchet used for?

The PROTO J5457F hand ratchet is used for tightening and loosening fasteners in industrial maintenance, automotive repair, and assembly applications. Its 1/2 in drive size and 17 in overall length provide leverage for heavy-duty tasks, while the 5° minimum arc swing allows work in tight spaces.

What are the specifications of the PROTO J5457F ratchet?

The PROTO J5457F ratchet has a 1/2 in drive size, 17 in overall length, chrome finish, and reversible operation. It features a 5° minimum arc swing and a round head design. Quick-release is not included. The manufacturer part number is J5457F.

Where to buy the PROTO J5457F ratchet worldwide?

3G Electric supplies the PROTO J5457F ratchet to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we source genuine PROTO tools and can provide a quote for your order.

How to maintain a PROTO chrome ratchet?

To maintain a PROTO chrome ratchet, clean it after use with a dry cloth to remove dirt and grease. Lubricate the ratcheting mechanism periodically with light machine oil. Avoid using solvents that may damage the chrome finish. Store in a dry environment to prevent corrosion.

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 flex-head ratchets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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