Carbon Screw Pin Chain Shackles

  • Shackle bodies are drop-forged carbon steel
  • Galvanized to meet ASTM A-153 specifications
  • C-422-G shackles meet the design requirements of federal specification RR-C-271, type IVB, grade A, class 2
  • Working load limit, size, manufacture name, date code and USA permanently marked on each shackle
  • Statistically tested for impact resistance, tensile strength, hardness, ductility, and fatigue
  • 422 series shackles meet or exceed all manufacturing requirements of the American Society for Mechanical Engineers (ASME) B30.26 “Rigging Hardware”. These include the material ductility requirement (section 26-1.1.2), the design factor requirement (section 26-1.2), the identification requirement (Section 26-1.5.1) and the effective temperature range (section 26-1.6.1) the shackles can be proof-tested in accordance with section 26-1.4
  • Certification available upon request
  • 6 to 1 design factor
  • Pins and bolts are heat-treated and made of alloy steel
  • Made in the USA

Product Description

Trade SizeCatalog No.UPC No. 020148Working Load Limit (Short Tons)B Dim.C Dim.D Dim.(C) Tolerance (+/-)(D) Tolerance (+/-)Weight Each
5/16 in54305350769233/4 T3/8 in1 in17/32 in1/16 in1/8 in0.17 lb
3/8 in54306350769471 T7/16 in1-1/14 in21/32 in1/8 in1/8 in0.30 lb
1/2 in54308350769852 T5/8 in1-11/16 in13/16 in1/8 in1/8 in0.75 lb
5/8 in54310350770053-1/4 T3/4 in2 in1-1/16 in1/8 in1/8 in1.25 lb
1 in54316350770678-1/2 T1-1/8 in3-1/4 in1-11/16 in1/4 in1/8 in4.50 lb