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  • HELI-COIL 

    0.500" 304 Stainless Steel, Dry Film Lubricant Helical Insert with 1/4-28 Internal Thread Size; PK50

  • Item # 4EXN8
  • Mfr. Model # 3591-4CNW500S
0.500" 304 Stainless Steel, Dry Film Lubricant Helical Insert with 1/4-28 Internal Thread Size; PK50
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Technical Specifications

Item # 4EXN8
Mfr. Model # 3591-4CNW500S
UNSPSC #31162802
Shipping Weight 2.1 lbs
Country of Origin USA *
Item Helical Insert
Type Screw Locking, On a Strip
Material 304 Stainless Steel, Dry Film Lubricant
Internal Thread Size 1/4-28
Thread Type UNF
Thread Direction Right Hand
Length 0.500"
Free Coil Dia. 0.316"
Tap Sizes 1/4-28 STI
Drill Size G
Tensile Strength (PSI) 200,000 to 250,000
Rockwell Hardness C43-C50
Application For Metal
Package Quantity 500
* This product's country of origin is subject to change

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