McMaster-Carr logo
    Filter by
    System of Measurement
    Thread Type
    Industrial Info Compare
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Industrial Info Compare
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    54 Products
    About Conduit
    industrial info icon

    Compare rigid and flexible conduit materials and identify the trade size for compatible fittings.

    Conduit Locknuts

    Secure threaded conduit fittings to knockouts. These locknuts keep fittings from shifting, so connections stay stable and wiring is protected inside electrical boxes or enclosures.
    For Metal and Plastic Fittings
    Image of Product. Front orientation. Conduit and Fittings. Conduit Locknuts, For Metal and Plastic Fittings.
    Image of Product. Locknut with PVC Molded Gasket. Front orientation. Conduit and Fittings. Conduit Locknuts, For Metal and Plastic Fittings, PVC Molded Gasket.

    Locknut with

    PVC Molded

    Gasket

    Image of Product. Locknut with Serrated Facing. Front orientation. Conduit and Fittings. Conduit Locknuts, For Metal and Plastic Fittings, Serrated Facing.

    Locknut

    with

    Serrated

    Facing

    Zinc-Plated Steel—The strength of steel with a plating that protects from occasional exposure to moisture.
    304 Stainless Steel—The choice for wet and outdoor environments.
    316 Stainless Steel—Our most corrosion-resistant fittings won't degrade when exposed to salt water and harsh chemicals.
    PVC Molded Gasket—Creates a seal for moisture protection.
    Serrated Facing—Grips the material surface for added stability.
    Pipe
    Size
    Thread
    Size
    Features
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    NPSM Thread
     
    Zinc-Plated Steel
    1/2
    		——CSA Certified, UL Listed107513K24100000
    1/2
    		—PVC Molded GasketCSA Certified, UL Listed27513K3110000
    1/2
    		—Serrated FacingCSA Certified, UL Listed17513K1190000
    3/4
    		——CSA Certified, UL Listed107513K2420000
    3/4
    		—PVC Molded GasketCSA Certified, UL Listed27513K3120000
    3/4
    		—Serrated FacingCSA Certified, UL Listed17513K1290000
    1
    		——CSA Certified, UL Listed107513K2430000
    1
    		—PVC Molded GasketCSA Certified, UL Listed27513K3130000
    1
    		—Serrated FacingCSA Certified, UL Listed17513K1210000
    1 1/4
    		——CSA Certified, UL Listed107513K2440000
    1 1/4
    		—PVC Molded GasketCSA Certified, UL Listed27513K3140000
    1 1/4
    		—Serrated FacingCSA Certified, UL Listed17513K1220000
    1 1/2
    		——CSA Certified, UL Listed107513K24500000
    1 1/2
    		—PVC Molded GasketCSA Certified, UL Listed27513K3150000
    1 1/2
    		—Serrated FacingCSA Certified, UL Listed17513K1230000
    2
    		——CSA Certified, UL Listed107513K24600000
    2
    		—PVC Molded GasketCSA Certified, UL Listed27513K31600000
    2
    		—Serrated FacingCSA Certified, UL Listed17513K1240000
    2 1/2
    		——CSA Certified
    		17513K1110000
    2 1/2
    		—PVC Molded GasketCSA Certified
    		17513K11500000
    2 1/2
    		—Serrated FacingCSA Certified
    		17513K12500000
    3
    		——CSA Certified
    		17513K1120000
    3
    		—PVC Molded GasketCSA Certified
    		17513K11600000
    3
    		—Serrated FacingCSA Certified
    		17513K12600000
    3 1/2
    		——CSA Certified
    		17513K1130000
    3 1/2
    		—PVC Molded GasketCSA Certified
    		17513K11700000
    4
    		——CSA Certified
    		17513K1140000
    4
    		—Serrated FacingCSA Certified
    		17513K12800000
     
    NPSL Thread
     
    316 Stainless Steel
    1/2
    		——C-UL Listed, UL Listed17513K31700000
    3/4
    		——C-UL Listed, UL Listed17513K31800000
    1
    		——C-UL Listed, UL Listed17513K31900000
    1 1/4
    		——C-UL Listed, UL Listed17513K41100000
    1 1/2
    		——C-UL Listed, UL Listed17513K41200000
    2
    		——C-UL Listed, UL Listed17513K41300000
    3
    		——C-UL Listed, UL Listed17513K15200000
    4
    		——C-UL Listed, UL Listed17513K15300000
     
    PG Thread
     
    304 Stainless Steel
    —PG-7
    		——17513K1410000
    —PG-9
    		——17513K14200000
    —PG-11
    		——17513K1430000
    —PG-13.5
    		——17513K14400000
    —PG-16
    		——17513K14500000
    —PG-21
    		——17513K14600000
    —PG-29
    		——17513K14700000
    —PG-36
    		——17513K14800000
     
    Metric Thread
     
    304 Stainless Steel
    —M8
    		——17513K1310000
    —M12
    		——17513K13300000
    —M16
    		——17513K13400000
    —M20
    		——17513K13500000
    —M25
    		——17513K13600000
    —M32
    		——17513K13700000
    —M40
    		——17513K13800000
    —M50
    		——17513K13900000
    —M63
    		——17513K14900000
     
    Conduit Locknut and Reaming Pliers
    Image of Product. Front orientation. Conduit Locknut and Reaming Pliers.
    Tighten locknuts and ream both the inside and outside of conduit with one tool. These pliers have combination jaws with multiple curved openings to work with 1/2" (13 mm) and 3/4" (19 mm) EMT conduit locknuts and 1/2" rigid conduit locknuts and flat nuts. Their machined nose fits snugly into locknut wings. They can also pull wire and fish tape, thanks to their serrated jaws. Pliers have plastic grips for comfort.
    Jaw
    Overall
    Lg.
    Max.
    Cap.
    Lg.
    Opening
    Style
    Texture
    Material
    For Tape
    Shape
    With Wire
    Cutter
    Each
    Combination Jaw and Cushion Grip
    7 3/4"1 3/8"1 5/8"ManualSerratedSteelFlatNo4642N11000000
     
    back to top