Value Collection 1-EFJ-10-M7- Iron Thumb Screw 3/8-16

Product Description

The Value Collection 1-EFJ-10-M7- is an iron thumb screw with a winged head and shoulder, designed for tool-free fastening in light industrial, mechanical, and assembly applications. It features a 3/8-16 UNC thread, a 3/4-inch length under the head, and an overall length of 1-5/8 inches. The uncoated iron construction provides adequate strength for general-purpose clamping and adjustment tasks. The winged head allows hand-tightening and loosening without tools, making it well suited for panels, covers, and fixtures that require frequent access. This fastener ships individually and is intended for use in inch-measurement systems.

This thumb screw is appropriate for use in light manufacturing, machine guarding, enclosure panels, and shop fixture assemblies where repeated hand adjustment is needed. The shoulder design provides a bearing surface that resists pull-through and helps locate components accurately during assembly. Maintenance technicians, machinists, and general assembly workers commonly use this fastener in settings where frequent access or field adjustment is required without specialized tooling.

Key Features

• Winged head design allows full hand-tightening and removal without tools
• Shoulder type: with shoulder, providing a load-bearing surface and component registration
• 3/8-16 UNC thread standard for broad compatibility with standard inch-series tapped holes
• Uncoated iron construction suitable for dry, indoor general-purpose applications
• Compact overall length of 1-5/8 inches fits shallow panel and fixture applications

Compatibility

Designed as a general-purpose replacement or addition for applications requiring a 3/8-16 UNC winged thumb screw with shoulder in standard inch-measurement assemblies.

Installation Notes

Installation requires no special tools due to the winged head design; hand-tightening is the intended method. Ensure the mating tapped hole or nut matches the 3/8-16 UNC thread specification before installation. De-energize or lock out any equipment before accessing panels or covers secured by this fastener, in accordance with applicable OSHA lockout/tagout procedures. Do not use impact tools or wrenches on the winged head, as this can deform the wings or strip the thread.