STANLEY ENGINEERED FASTENING — Helical Inserts — Tanged Helical Insert, Free-Running, 1/4"-28 Thrd Sz, 18-8 Stainless Steel, 100 PK

Designed for professional use, this STANLEY ENGINEERED FASTENING Helical Inserts helps keep parts and tooling consistent across routine service tasks.

Quick specs

• Material: 18-8 Stainless Steel
• Finish: Plain
• System of Measurement: Inch
• Overall Length: 1/4 in
• Manufacturer Part Number: A1191-4CN250
• UPC: -

Product information

• Manufacturer Part Number: A1191-4CN250
• UPC: -
• Country of Origin: United States

Dimensions

• Outside Diameter: 0.326 in
• Compatible Tap Size: 1/4"-28
• Overall Length: 1/4 in
• Thread Size: 1/4"-28
• Drill Bit Size: 6.70 mm

Details

• Thread Direction: Right Hand
• Material: 18-8 Stainless Steel
• Material Grade/Class: Not Graded
• Finish: Plain
• Thread Type: UNF
• Tang Style: Tanged
• Compatible Material: Metal
• Tensile Strength: 200,000 to 250,000 psi
• Helical Insert Type: Free-Running
• System of Measurement: Inch
• Application: For Metal
• Tensile Strength (PSI): 200,000 to 250,000 psi
• Rockwell Hardness: C43-C50
• Agency Compliance: MS14656
• Series: Heli-Coil
• Manufacturer Location: Made in USA
• Industry Standards: MS14656
• Item: Helical Insert

This Helical Inserts is well-suited for replacement, upgrade, and stock-room use.

Recommended for inventory replenishment and standardization 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: Review application constraints and installation requirements to ensure the part meets your needs.