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HomElectrical.com Wholesale Electrical, HVAC & Lighting Supplies for Pros

Gardner Bender 3.5 - 4-in Mechanical Drive Screw

Gardner Bender KSN3540
SKU ECM-KSN3540
Gardner Bender's 3.5 - 4-in Mechanical Drive Screw, made from black oxide coated, chrome-moly steel, has a fourpoint design so the slug drops automatically without splitting. Shop our full selection of Gardner Bender's products at HomElectrical today!
Gardner Bender 3.5 - 4-in Mechanical Drive Screw

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Gardner Bender's 3.5 - 4-in Mechanical Drive Screw, made from black oxide coated, chrome-moly steel, has a fourpoint design so the slug drops automatically without splitting. Shop our full selection of Gardner Bender's products at HomElectrical today!

Gardner Bender 3.5 - 4-in Mechanical Drive Screw features:

  • The contractors choice.
  • Constructed from black oxide coated, hardened and tempered chrome-moly steel.
  • Additional sizes available to specifically permit fast and easy installation of electrical conduit and pipe.
  • Also, the slug drops automatically without splitting because the Gardner Bender KSN3540 features a fourpoint design.
  • 3 1/2 - 4 inch.

Gardner Bender KSN3540 Description

Gardner Bender 3.5 - 4-in Mechanical Drive Screw features:

  • The contractors choice.
  • Constructed from black oxide coated, hardened and tempered chrome-moly steel.
  • Additional sizes available to specifically permit fast and easy installation of electrical conduit and pipe.
  • Also, the slug drops automatically without splitting because the Gardner Bender KSN3540 features a fourpoint design.
  • 3 1/2 - 4 inch.
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Ships free on orders over $500 of eligible items to all guests.
Free Shipping Eligible
$386.63Each
In Stock-

Ships between 04/28/2026 - 04/30/2026

Product Specifications

Part NumberKSN3540
Product Dimensions8.63-in X 4.38-in X 3.50-in
Weight4.07-lb
UPC032076813185

Manufacturer Description

SCREW, MECH. DRIVE
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.
Gardner Bender's 3.5 - 4-in Mechanical Drive Screw, made from black oxide coated, chrome-moly steel, has a fourpoint design so the slug drops automatically without splitting. Shop our full selection of Gardner Bender's products at HomElectrical today!
Gardner Bender 3.5 - 4-in Mechanical Drive Screw
Unlock FREE Shipping by just signing in!
Ships free on orders over $500 of eligible items to all guests.
Free Shipping Eligible
$386.63Each
In Stock-

Ships between 04/28/2026 - 04/30/2026

Gardner Bender KSN3540 Description

Gardner Bender 3.5 - 4-in Mechanical Drive Screw features:

  • The contractors choice.
  • Constructed from black oxide coated, hardened and tempered chrome-moly steel.
  • Additional sizes available to specifically permit fast and easy installation of electrical conduit and pipe.
  • Also, the slug drops automatically without splitting because the Gardner Bender KSN3540 features a fourpoint design.
  • 3 1/2 - 4 inch.

Product Specifications

Part NumberKSN3540
Product Dimensions8.63-in X 4.38-in X 3.50-in
Weight4.07-lb
UPC032076813185

Manufacturer Description

SCREW, MECH. DRIVE
Prop65
Important PROP 65 InformationWarning: This product can expose you to chemicals, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.p65warnings.ca.gov. to CA residents.

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