STANLEY ENGINEERED FASTENING — Helical Inserts — Tanged Helical Insert, Free-Running, 5/16"-18 Thrd Sz, 18-8 Stainless Steel, 12 PK

A practical Helical Inserts by STANLEY ENGINEERED FASTENING intended for repeatable results in shop, facility, and field workflows.

Quick specs

• Material: 18-8 Stainless Steel
• Finish: Plain
• System of Measurement: Inch
• Overall Length: 15/32 in
• Manufacturer Part Number: R1185-5
• UPC: 025964100115

Product information

• Manufacturer Part Number: R1185-5
• UPC: 025964100115
• Country of Origin: United States

Dimensions

• Overall Length: 15/32 in
• Thread Size: 5/16"-18
• Drill Bit Size: Q
• Outside Diameter: 0.39 in
• Compatible Tap Size: 5/16"-18

Details

• Features: Packaged in Lengths Corresponding to Various Spark Plug Reaches
• Manufacturer Location: Made in USA
• CAD Available: Yes
• Item: Helical Insert
• Thread Direction: Right Hand
• Material: 18-8 Stainless Steel
• Material Grade/Class: Not Graded
• Finish: Plain
• Thread Type: UNC
• Tang Style: Tanged
• Compatible Material: Metal
• Tensile Strength: 200,000 to 250,000 psi
• Helical Insert Type: Free-Running
• System of Measurement: Inch
• Rockwell Hardness: C43-C50
• Tensile Strength (PSI): 200,000 to 250,000 psi
• Application: For Metal
• Series: Heli-Coil

This Helical Inserts is intended for professional buyers focused on durability and uptime.

Recommended for maintenance and repair workflows and selected for dependable day-to-day use.

Highlights

• Designed for professional use where predictable fit and handling are important.
• Works well in standardized part lists and preventative maintenance schedules.
• Clear specification formatting helps reduce ordering mistakes.
• Organized for straightforward purchasing and stocking.

Notes: Verify measurement standards, tolerances, and compatibility with existing assemblies before purchase.