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Manufacturer 3M
Mfg Catalog # 31056
Irby Part # 3616198


The 3M Scotchlok Copper One Hole Long Barrel Lug 31056 is used on copper conductors only. It is constructed of one-piece, seamless, high-conductivity copper.


  • For Use With: Copper Conductor Only
  • Number of Holes: 1
  • Center of Hole to End of Pad: 0.53 Inch
  • Barrel Style: Long Barrel
  • RoHS EU Comments: RoHS 2011/65/EU compliant without exemption
  • Barrel Length: 1.94 Inch
  • Agency Approvals: UL Listed
  • Lug Base Metal: Copper
  • Length (Metric): 97.6 mm
  • Stud Sizes: 1/2 Inch
  • Inside Diameter (metric): 17.8 mm
  • Pad Width: 1.27 Inch
  • Length: 3.85 Inch
  • Inside Diameter: 0.7 Inch
  • Barrel Length (metric): 49.2 mm
  • Conductor Sizes: 350 kcmil
  • Center of Hole to End of Pad (metric): 13.4 mm
  • Pad Length: 1.11 Inch
  • RoHS 2011/65/EU Compliant: Yes
  • Outside Diameter: 0.88 Inch
  • Trademark: Scotchlok
  • Color: Red
  • Pad Length (metric): 28.2 mm
  • Connector Material: Copper
  • Outside Diameter (metric): 22.4 mm
  • Pad Width (metric): 32.2 mm



UPC 05400712659
GTiN 00054007126591
Length 3.85 in
Color Red
Applications Copper Conductor Only
Capacity 1
Family Brand Name 3M
Sub Brand Scotchlok
Barrel Type Long Barrel
Stud Size 1/2 in
Conductor Size 350 MCM
Barrel Length 1.94 in
Inside Diameter 0.7 in

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