Williams Comfort Products JHWISSXM418 Flextension 1/2 in 18MM

Product Description

The WILLIAMS COMFORT PRODUCTS JHWISSXM418 is a 1/2 inch drive Flextension with an integrated 18 MM 6-point socket designed for engine assembly, heavy equipment manufacturing, and industrial repair applications. The socket and drive extension are permanently joined in a single-piece construction, eliminating the risk of socket separation during continuous power tool operation. The lobular socket opening engages fasteners with greater surface contact, reducing the chance of rounding. Maximum working torque is rated at 160 ft-lbs (1,920 in-lbs / 217 Nm). This tool is intended for hand tools and power tools only — it is not rated for impact tool use.

The JHWISSXM418 is well suited for production line assembly, fleet maintenance, and heavy equipment repair environments where socket drop-out causes costly downtime. The 30-degree angle offset capability allows access to fasteners in confined or angled locations. The drive end features a 7/32 inch cross hole bevel for straightforward chuck engagement. This Flextension targets industrial technicians and professional mechanics who rely on continuous-duty tools in demanding shop environments.

Key Features

• Integrated one-piece design permanently joins socket to extension, preventing socket drop-out during operation
• SUPERTORQUE lobular socket opening provides greater turning power with reduced fastener deformation
• Up to 30 degrees of angle offset for access in restricted spaces
• Socket retention pin is TIG welded, transferring full rotational power to the socket
• Drive end has a 7/32 inch cross hole bevel for easy tool engagement
• Durable black oxide finish for corrosion resistance
• Made in the U.S.A.

Compatibility

Designed for use with hand tools and direct-drive or impulse power tools accepting a 1/2 inch drive. Not compatible with impact tools.

Installation Notes

This Flextension is installed and removed by hand — no special tools are required for attachment to a compatible 1/2 inch drive tool. Ensure the drive tool is fully powered down before mounting or removing the Flextension. Do not use this tool with impact wrenches or impact drivers, as the integrated design is not rated for impact-force cycles. Follow applicable shop safety procedures and torque specifications set by the equipment manufacturer.

Technical Specifications

• Drive Size: 1/2 inch
• Socket Size: 18 MM
• Point Count: 6-Point
• Maximum Working Torque: 160 ft-lbs / 1,920 in-lbs / 217 Nm
• Angle Offset: Up to 30 degrees
• Cross Hole Bevel: 7/32 inch
• Finish: Black Oxide
• Weight: 0.55 pounds
• Country of Origin: USA

Standard Information

• Brand: WILLIAMS COMFORT PRODUCTS
• Manufacturer Part Number: JHWISSXM418