Electro Hardware MTHS3009M07F16 Thumb Screw M3.5x0.6

Product Description

The ELECTRO HARDWARE MTHS3009M07F16 is a 303 stainless steel thumb screw with an M3.5 x 0.6 metric thread and a knurled head profile. It measures 18 mm overall length with an 8 mm head diameter and 5 mm head height. The 303 stainless steel alloy provides solid corrosion resistance and machinability, making it a dependable choice for applications where hand-tightening without tools is required. The uncoated finish leaves the base material exposed, which is appropriate for clean or controlled environments. This fastener ships individually and is ordered in multiples of 10. It is typically installed by electricians, HVAC technicians, panel assemblers, and mechanical contractors working on enclosures, cover plates, or equipment access panels.

This thumb screw is suited for light-duty fastening tasks in both residential and commercial settings where frequent hand removal is expected. Common applications include securing access covers on electrical enclosures, control panels, junction boxes, and HVAC equipment housings. Its metric thread sizing makes it well matched for equipment manufactured to metric standards. No tools are required for installation or removal under normal service conditions, which reduces service time during routine maintenance and inspection cycles.

Key Features

• 303 stainless steel construction with uncoated finish for corrosion resistance in clean environments
• M3.5 x 0.6 metric thread with no shoulder for straightforward through-hole fastening
• Knurled head profile allows secure hand-tightening without tools
• 18 mm overall length with 8 mm head diameter and 5 mm head height
• Meets QQ-S-763 specification for stainless steel fasteners
• Minimum order quantity of 10 units per order

Compatibility

Designed as a general-purpose metric thumb screw for use in enclosures, panels, and equipment housings requiring M3.5 x 0.6 metric thread fasteners.

Installation Notes

Installation is performed by hand in most service scenarios; no wrench or driver is needed under normal torque requirements. Always de-energize electrical enclosures and follow applicable NEC guidelines before opening panels or replacing fasteners. Inspect the mating thread for damage or contamination before installation to avoid galling, which is a known consideration with stainless steel fasteners. Do not cross-thread during installation.