L H Dottie Co MBS516112 Stainless Machine Bolt 5/16-18

Product Description

The L H Dottie Co MBS516112 is a stainless steel machine bolt with a 5/16-inch diameter and 18 threads per inch (TPI) coarse thread pattern, measuring 1.5 inches in length. This hardware fastener is used in mechanical, electrical, and plumbing trade applications where corrosion resistance and reliable clamping strength are required. The stainless steel construction resists rust and oxidation, making it suitable for both indoor and outdoor service environments. Licensed tradespeople reach for this bolt when securing brackets, strut channel, equipment mounting plates, and similar structural components where standard zinc or galvanized hardware is not appropriate.

This bolt is commonly used in HVAC, electrical, and plumbing installations where corrosion-resistant fasteners are specified. Typical applications include mounting electrical enclosures, securing conduit supports, attaching equipment to unistrut or slotted channel, and general mechanical assembly work. It is sold individually and sized for use with a standard 5/16-inch nut and corresponding flat or lock washer.

Key Features

• Stainless steel construction for corrosion and oxidation resistance
• 5/16-inch diameter with 18 TPI coarse thread pattern
• 1.5-inch length suitable for standard bracket and channel mounting
• Single-piece unit quantity for precise hardware procurement
• Compatible with standard 5/16-18 nuts and washers

Compatibility

Designed as an OEM-style replacement or general-use fastener for trade hardware applications requiring a 5/16-18 coarse thread stainless steel machine bolt at 1.5 inches in length.

Installation Notes

Installation is performed by licensed HVAC technicians, electricians, plumbers, or general mechanical contractors. Always de-energize equipment and relieve system pressure before fastening or removing hardware in live systems. Use the correct driver or wrench size for 5/16-inch fasteners to avoid rounding the bolt head. Follow applicable NEC, IFGC, or IPC fastener and support spacing requirements for the specific trade application.