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    40 Products

    Shaft Grounding Rings

    Image of ProductInUse. Shaft Grounding Ring Shown Installed. Front orientation. Grounding Rings.

    Shaft Grounding Ring Shown

    Installed

    Image of Product. One Piece. Front orientation. One Piece.

    One Piece

    Image of Product. Two Piece. Front orientation. Two Piece.

    Two Piece

    Prevent motor downtime by protecting bearings from stray currents generated by variable frequency drives. These grounding rings create a path for stray currents, so they won't damage bearing surfaces. Use them on AC motors.
    One Piece—One-piece rings slide on from the end of the shaft.
    Two Piece—Two-piece rings simplify installation when motors are connected to equipment.
    One Piece
    Two Piece
    For Shaft
    Dia.
    For Motor Frame Size
    Mounting Hardware
    Included
    Includes
    Each
    Each
    Aluminum
    5/8"NEMA 56Yes16 Brackets (4 each of 4 Common Styles)4805N1100000004805N220000000
    7/8"NEMA 56HZ, NEMA 143T, NEMA 145TYes16 Brackets (4 each of 4 Common Styles)4805N120000004805N23000000
    1 1/8"NEMA 182T, NEMA 184TYes16 Brackets (4 each of 4 Common Styles)4805N130000004805N24000000
    1 3/8"NEMA 213T, NEMA 215TYes16 Brackets (4 each of 4 Common Styles)4805N140000004805N25000000
    1 5/8"NEMA 254T, NEMA 256T, NEMA 284TS, NEMA 286TSYes16 Brackets (4 each of 4 Common Styles)4805N150000004805N26000000
    1 7/8"NEMA 284T, NEMA 286T, NEMA 324TS, NEMA 326TS, NEMA 364TS, NEMA 365TSYes16 Brackets (4 each of 4 Common Styles)4805N160000004805N27000000
    2 1/8"NEMA 324T, NEMA 326T, NEMA 404TS, NEMA 405TSYes16 Brackets (4 each of 4 Common Styles)4805N170000004805N28000000
    2 3/8"NEMA 364T, NEMA 365T, NEMA 444TS, NEMA 445TS, NEMA 447TS, NEMA 449TSYes16 Brackets (4 each of 4 Common Styles)4805N180000004805N29000000
    2 7/8"NEMA 404T, NEMA 405TYes16 Brackets (4 each of 4 Common Styles)4805N190000004805N31000000
    3 3/8"NEMA 444T, NEMA 445T, NEMA 447T, NEMA 449TYes16 Brackets (4 each of 4 Common Styles)4805N210000004805N3200000000
     
    Accessories for Grounding Rings
    Conductive Adhesives
    Image of Product. Front orientation. Grounding Rings.
    Use adhesives to install rings without having to drill or tap into motor frames.
    Container
    Size, fl.
    oz.
    Type
    Begins to
    Harden, min.
    Reaches Full
    Strength, hr.
    Mix
    Ratio
    Each
    0.5Adhesive10241:14805N330000000
    Conductive Coatings
    Image of Product. Front orientation. Grounding Rings.
    Apply conductive coatings to motor shafts before installing the rings to improve the conductivity of the steel shaft surface that touches the grounding ring.
    Container
    Dry Time
    Size, fl.
    oz.
    Type
    Touch,
    min.
    Overall,
    hr.
    Max. Temp.,
    ° F
    Application
    Temp., ° F
    Color
    Each
    0.5Bottle302433072 to 300Gray4805N340000000

    Stainless Steel Socket Nuts

    Image of Product. Front orientation. Socket Nuts. Stainless Steel Socket Nuts.
    These nuts are chemical resistant and may be mildly magnetic. Also known as Allen nuts, use them with socket head cap screws in recessed holes and tight spaces that don't have enough clearance for a wrench. Tighten them with a 6-point hex key. They can also be used as an insert by pressing or drawing them into nonhardened steel, cast iron, or soft nonferrous metal or by molding them into plastic, ceramic, fiber, and similar materials.
    Thread
    Size
    OD
    Ht.
    Threading
    Thread
    Dp.
    For Hole
    Dia.
    Hex Key
    Size
    Each
    18-8 Stainless Steel
    5-40
    		0.19"0.21"Partially Threaded0.1"0.202"1/8"90372A10100000
     

    Tapered Heat-Set Threaded Inserts For Plastic

    Image of Product. Front orientation. Threaded Inserts. Tapered Heat-Set Threaded Inserts For Plastic.
    Tapered at one end, these inserts are easier to align in a hole during installation than straight inserts. Use a drill bit to create a straight hole, then taper the top half. Once installed, heat the insert with a soldering tip to melt the surrounding plastic.
    Brass—Conductive and nonmagnetic, these inserts are useful for electrical applications. They resist moisture but aren't as strong as steel inserts.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals. Since they’re lead-free, they can be safely recycled.
    Thread
    Size
    Installed
    Lg.
    Drill Bit
    Size
    For Max.
    Hole Dia.
    For Hole
    Taper Angle
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Brass
    5-40
    		0.150"8 Ga.
    		0.199"8°ASTM B162593365A201000000
    5-40
    		0.250"13 Ga.
    		0.185"8°ASTM B162593365A20200000
     
    18-8 Stainless Steel
    5-40
    		0.150"8 Ga.
    		0.199"8°ASTM A5822597163A20100000
    5-40
    		0.250"13 Ga.
    		0.185"8°ASTM A5822597163A20200000
     

    Helical Threaded Inserts

    Image of Product. Pronged. Bottom orientation. Threaded Inserts. Helical Threaded Inserts, Pronged.

    Pronged

    Restore, reinforce, or create threads in metal. The tough coils on these inserts expand once installed to anchor in a tapped hole. Also known as Heli-Coil inserts, they're often used in engine heads and machinery housings where strong connections are critical. Unlike threadlocking inserts, you can remove and reuse them without them losing their strength.
    Installation requires a drill bit, a helical insert tap, and an installation tool.
    Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
    Inserts
    Through-Hole
    Taps
    Closed-End
    Hole Taps
    Installation
    Tools
    Prong
    Break-Off Tools
    Thread
    Size
    Installed
    Lg.
    Drill Bit
    Size
    For Max.
    Hole Dia.
    Specs.
    Met
    Pkg.
    Qty.
    Pkg.
    Each
    Each
    Each
    Each
    Pronged
     
    18-8 Stainless Steel
    5-40
    		0.125"29 Ga.
    		0.136"MS1220771091732A0090000091709A06100000091709A41300000090261A104000000092955A1030000000
    5-40
    		0.188"29 Ga.
    		0.136"MS1221171091732A010000091709A0610000091709A4130000090261A10400000092955A103000000
    5-40
    		0.250"29 Ga.
    		0.136"MS1221571091732A704000091709A0610000091709A4130000090261A10400000092955A103000000
     
    Extraction Tools
    Remove installed helical inserts.
    For Pronged Helical Inserts—Place the tip into pronged inserts and lightly strike the tool’s head. Then, turn the tool counterclockwise with pressure to extract the insert.
    For Thread Size
    Each
    For Pronged Helical Inserts
    3-48, 3-56, 4-40, 4-48, 5-40, 5-44, 6-32, 6-40, 8-32, 8-36, 8-40, M2.5, M3, M3.5, M4
    		90254A310000000
     

    Screw-Locking Helical Threaded Inserts

    Image of Product. Pronged. Bottom orientation. Threaded Inserts. Screw-Locking Helical Threaded Inserts, Pronged.

    Pronged

    The irregularly shaped threads tightly grip screws to prevent them from loosening or backing out under vibration. Use these inserts to create or repair threads in pumps and other machinery that shakes and rattles. Also known as Heli-Coil inserts.
    Installation requires a drill bit, a helical insert tap, and an installation tool.
    Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
    Inserts
    Through-Hole
    Taps
    Closed-End
    Hole Taps
    Installation
    Tools
    Prong
    Break-Off Tools
    Thread
    Size
    Installed
    Lg.
    Drill Bit
    Size
    For Max.
    Hole Dia.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Each
    Each
    Each
    Each
    Pronged
     
    18-8 Stainless Steel
    5-40
    		0.125"29 Ga.
    		0.136"NASM21209, MS21209C05101090296A0200000091709A06100000091709A41300000090261A104000000092955A1030000000
    5-40
    		0.188"29 Ga.
    		0.136"NASM21209, MS21209C05151090296A022000091709A0610000091709A4130000090261A10400000092955A103000000
    5-40
    		0.250"29 Ga.
    		0.136"NASM21209, MS21209C0520590296A023000091709A0610000091709A4130000090261A10400000092955A103000000
     

    Steel Socket Nuts

    Image of Product. Front orientation. Socket Nuts. Steel Socket Nuts.
    Also known as Allen nuts, use these with socket head cap screws in recessed holes and tight spaces that don't have enough clearance for a wrench. Tighten them with a 6-point hex key. They can also be used as an insert by pressing or drawing them into nonhardened steel, cast iron, or soft nonferrous metal or by molding them into plastic, ceramic, fiber, and similar materials. Made from alloy steel, they're comparable in strength to Grade 9 bolts.
    Thread
    Size
    OD
    Ht.
    Threading
    Thread
    Dp.
    For Hole
    Dia.
    Hex Key
    Size
    Each
    Alloy Steel
    5-40
    		0.18"0.2"Partially Threaded0.1"0.202"1/8"92066A00600000
     

    Helical Threaded Insert Assortments with Installation Tools

    Image of Product. Front orientation. Threaded Inserts. Helical Threaded Insert Assortments with Installation Tools.
    Repair damaged threads or create new ones. These convenient assortments include helical inserts, an installation tool for each thread size, a drill bit, and a tap. The inserts are also known as Heli-Coil inserts.
    Pronged—The prong attaches to an installation tool for precise control as you drive inserts in. Remove the prong with a punch or break-off tool before inserting a screw.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these inserts resist rust and mild chemicals.
    No. of Inserts
    Included
    Includes
    Thread
    Spacing
    Drill Bit
    Size
    For Max.
    Hole Dia.
    Each
    Pronged
     
    18-8 Stainless Steel
    365-40 Thread × 0.188" Installed Lg. (12 Each)
    5-40 Thread × 1/4" Installed Lg. (12 Each)
    5-40 Thread × 1/8" Installed Lg. (12 Each)
    Drill Bit
    Installation Tool
    Prong Break-Off Tool
    Through-Hole Tap    		Coarse
    		29 Ga.
    		0.136"91732A9030000000
     
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