3M 40016 Copper/Aluminum 1-Hole Lug
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Manufacturer 3M
Mfg Catalog # 40016
Crawford Part # 199


  • Standard barrel ensures a secure fit and offers reliable performance
  • 3M™ Scotchlok™ 40000 1 Hole Compression Lug is suitable for use on copper or aluminum conductors. The lug has a standard barrel that ensures a secure fit. Aluminum construction offers high conductivity and an electro tin plated finish resists corrosion. It is rated for 35 kV voltage applications.
  • Barrel sealing caps are color coded to help to indicate the wire guage
  • Suitable for indoor and outdoor applications
  • Made of aluminum for good conductivity and tin plating for corrosion resistance
  • Rated for 35 kV applications

Legal Disclaimer

  • The designation that a product is Manufactured in the USA means the product undergoes substantial transformation in one of our U.S. Manufacturing plants. Some products contain imported components.
  • Note: 3M products offered on a government contract that require country of origin representation must be certified by 3M Trade Compliance. Contact customer service at 800-245-3573 to request a certificate.


  • 3M ID: 80610033682
  • Barrel Length (Imperial): 0.75 in
  • Barrel Length (Metric): 19.1 mm
  • Barrel Style: Standard Barrel
  • Brand: Scotchlok™
  • Case Quantity: 50
  • Center of Hole to Center of Hole: 0.437 Inch
  • Center of Hole to End of Pad: 0.44 Inch
  • Center of Hole to End of Pad (Metric): 11.2 mm
  • Color Family: Gray
  • Conductor Size: 6 AWG
  • For Use With: Aluminum or Copper Conductors
  • Inside Diameter (Imperial): 0.2 in
  • Inside Diameter (Metric): 5.1 mm
  • Lug Description: One Hole
  • Lug Type: Compression Lugs
  • Manufacturing Origin: USA
  • Material: Aluminum
  • Maximum Conductor Size: 6 AWG
  • Maximum Operating Voltage: 35 Kilovolt
  • Number of Stud Holes: 1
  • Outer Diameter (Imperial): 0.34 in
  • Outside Diameter (Metric): 8.8 mm
  • Overall Length (Imperial): 2.28 in
  • Overall Length (Metric): 57.9 mm
  • Pad Length (Imperial): 0.88 in
  • Pad Length (Metric): 22.3 mm
  • Pad Width: 0.56 in
  • Pad Width (Metric): 14.2 mm
  • Product Color: Gray
  • Stud Sizes: 5/16 inch


UPC 05400713400
Product Description This lug has a 5/16 in Stud Size, a 0.200 in (5,1 mm) I.D., and a 2.300 in (58.4 mm) length
MDM Pkg GTiN 00054007134008
Length 2.28 in
Width 0.344 in
Color Gray
Type Standard Barrel
Applications Aluminum or Copper Conductors
Family Brand Name Scotchlok
Sub Brand Scotchlok
Barrel Type Standard Barrel
Stud Size 5/16 in
Conductor Size 6 AWG
Barrel Length 0.75 in
Inside Diameter 0.2 in
Material Aluminum
Overall Length 2.28 in

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