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PROTO J1187M-A Metric Double End 12-Point Ratcheting Box End Wrench - Metric, Double End, 12-Point, Ratcheting Box End Wrenches
PROTOMetric, Double End, 12-Point, Ratcheting Box End Wrenches

PROTO J1187M-A Metric Double End 12-Point Ratcheting Box End Wrench

The PROTO Box End Wrench is a metric, double-end, 12-point, ratcheting box end wrench with a Chrome finish. It features 19 mm and 21 mm head sizes, an 8 3/4 in overall length, offset design, and reversing capability…

SKU 3G-OTH-285373

Also listed as: J1187MA · J1187M A

Brand
PROTO
Item
J1187M-A Metric Double End 12-Point Ratcheting Box End Wrench
Part Number
J1187M-A
Category
Metric, Double End, 12-Point, Ratcheting Box End Wrenches
Available to Order
Also known as:J1187M-APROTO
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Technical Specifications

PROTO
Manufacturer Part Number
J1187M-A
Type
19 mm_21 mm Head Size, Offset, Reversing, Metric
Overall Lg
8 3/4 in

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

Product Description

The PROTO Box End Wrench is a metric, double-end, 12-point, ratcheting box end wrench with a Chrome finish. It features 19 mm and 21 mm head sizes, an 8 3/4 in overall length, offset design, and reversing capability. This wrench is identified by manufacturer part number J1187M-A.

Frequently Asked Questions

What is the PROTO Box End Wrench J1187M-A used for?

The PROTO Box End Wrench J1187M-A is used for tightening and loosening fasteners in industrial maintenance, automotive repair, and assembly applications. Its 12-point ratcheting box end design allows quick fastener engagement without repositioning, while the offset and reversing features improve access in confined spaces.

What are the specifications of the PROTO Box End Wrench J1187M-A?

The PROTO Box End Wrench J1187M-A has a Chrome finish, 19 mm and 21 mm head sizes, an 8 3/4 in overall length, offset design, and reversing capability. It is a metric, double-end, 12-point ratcheting box end wrench. The manufacturer part number is J1187M-A.

Where to buy the PROTO Box End Wrench J1187M-A worldwide?

You can source the PROTO Box End Wrench J1187M-A through 3G Electric, a global industrial equipment distributor established in 1990. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this PROTO wrench.

How to select the correct PROTO Box End Wrench size?

To select the correct PROTO Box End Wrench, match the wrench head size to the fastener nut or bolt dimension. For the J1187M-A, the 19 mm and 21 mm heads fit corresponding metric fasteners. Ensure the offset and reversing features suit your workspace constraints. Always verify the fastener size before use.

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 metric, double end, 12-point, ratcheting box end wrenches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This metric double-end 12-point ratcheting box end wrench features 16 mm and 18 mm head sizes with a 25° offset angle for access in confined spaces. The 8-inch overall length provides leverage for tightening or loosening fasteners in mechanical and maintenance tasks. Chrome finish resists corrosion
PROTO
This metric double-end 12-point ratcheting box end wrench features 16 mm and 18 mm head sizes with a 25° offset angle for access in confined spaces. The 8-inch overall length provides leverage for tightening or loosening fasteners in mechanical and maintenance tasks. Chrome finish resists corrosion

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