Value Collection 1-DES-07-M7- Iron Thumb Screw 5/16-18

Product Description

The VALUE COLLECTION 1-DES-07-M7- is an iron winged thumb screw designed for hand-tightened fastening applications where tools are not required. Featuring a 5/16-18 UNC thread and a 2-1/2 inch length under the head, this thumb screw includes a shoulder for precise positioning and load transfer. The winged head style allows firm finger grip for reliable manual tightening and loosening. With an uncoated iron construction and a material grade of 32510, this fastener suits general-purpose mechanical assemblies, fixtures, jigs, and access panels in trade and industrial settings.

This thumb screw is suited for use in applications requiring frequent manual adjustment or removal without tooling, such as equipment access covers, panel retention, fixture alignment, and light clamping tasks. The shoulder design helps locate mating components accurately. It is commonly installed by maintenance technicians, HVAC service professionals, and general tradespeople working on assemblies that require periodic hand-access. The inch measurement system and UNC thread form make it compatible with standard inch-dimensioned hardware across a wide range of equipment types.

Key Features

• Winged head allows hand-tightening and removal without tools
• 5/16-18 UNC thread for compatibility with standard inch-dimensioned components
• With-shoulder design supports accurate component location and load distribution
• Uncoated iron construction for general-purpose indoor mechanical use
• 2-1/2 inch length under head suits medium-depth fastening applications
• 1-3/4 inch head diameter provides a broad grip surface for finger torque

Compatibility

Designed as a general-purpose inch-series winged thumb screw suitable for equipment panels, fixtures, jigs, and assemblies that use 5/16-18 UNC threaded hardware.

Installation Notes

Installation requires no special tools due to the winged head design; hand-tighten to snug fit only and avoid over-torquing, which can strip threads in softer mating materials. Ensure the mating tapped hole or nut matches the 5/16-18 UNC thread standard before installation. For assemblies under vibration, consider a locking insert or thread-locking compound in the mating component to prevent loosening. Always confirm the correct fastener grade and material are appropriate for the load and environment before use.