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    61 Products

    Ultra-High-Temperature Ceramic Washers

    Image of Product. Front orientation. Washers. Ultra-High-Temperature Ceramic Washers.
    Our most heat-resistant washers, even at blistering temperatures up to 3000° F. They distribute pressure evenly under nuts and screws in industrial furnaces, kilns, and other extreme-temperature environments. Ceramic may crack or dent if subjected to hard bumps, however, so these washers are not recommended for high-vibration applications.
    Temp.
    Range
    For Screw
    Size
    ID
    OD
    Thk.
    Min.
    Max.,
    ° F
    Specs. Met
    Color
    Each
    No. 0
    		0.068"0.188"0.022" to 0.028"Not Rated3,000—Off-White94610A20500000
    No. 2
    		0.094"0.250"0.028" to 0.036"Not Rated3,000—Off-White94610A2100000
    No. 4
    		0.125"0.375"0.036" to 0.045"Not Rated3,000—Off-White94610A2150000
    No. 5
    		0.141"0.406"0.036" to 0.045"Not Rated3,000—Off-White94610A3010000
    No. 6
    		0.156"0.438"0.036" to 0.045"Not Rated3,000—Off-White94610A2200000
    No. 8
    		0.188"0.500"0.036" to 0.045"Not Rated3,000—Off-White94610A2250000
    No. 10
    		0.203"0.562"0.036" to 0.045"Not Rated3,000—Off-White94610A2300000
    No. 12
    		0.234"0.625"0.056" to 0.071"Not Rated3,000—Off-White94610A3020000
    1/4"
    		0.281"0.734"0.056" to 0.071"Not Rated3,000—Off-White94610A2360000
    5/16"
    		0.344"0.875"0.056" to 0.071"Not Rated3,000—Off-White94610A3030000
    3/8"
    		0.406"1.000"0.056" to 0.071"Not Rated3,000—Off-White94610A3040000
    7/16"
    		0.469"1.125"0.056" to 0.071"Not Rated3,000—Off-White94610A3050000
    1/2"
    		0.531"1.250"0.090" to 0.112"Not Rated3,000—Off-White94610A3060000
    9/16"
    		0.594"1.469"0.090" to 0.112"Not Rated3,000—Off-White94610A3070000
    5/8"
    		0.656"1.750"0.090" to 0.112"Not Rated3,000—Off-White94610A3080000
    3/4"
    		0.812"2.000"0.090" to 0.112"Not Rated3,000—Off-White94610A30900000
    7/8"
    		0.938"2.250"0.146" to 0.174"Not Rated3,000ASME B18.21.1Off-White94610A31000000
    1"
    		1.062"2.500"0.146" to 0.174"Not Rated3,000ASME B18.21.1Off-White94610A31100000
    M2
    		2.6 mm6.0 mm0.6 mm to 0.9 mmNot Rated3,000ASME B18.22MOff-White94610A4200000
    M3
    		3.6 mm10.0 mm0.8 mm to 1.2 mmNot Rated3,000ASME B18.22MOff-White94610A4300000
    M4
    		4.8 mm12.0 mm1.0 mm to 1.4 mmNot Rated3,000ASME B18.22MOff-White94610A4400000
    M5
    		5.6 mm15.0 mm1.2 mm to 1.8 mmNot Rated3,000—Off-White94610A4500000
    M6
    		6.8 mm18.8 mm1.2 mm to 1.8 mmNot Rated3,000—Off-White94610A4600000
    M8
    		9.0 mm25.4 mm1.6 mm to 2.3 mmNot Rated3,000ASME B18.22MOff-White94610A4800000
    M10
    		11.0 mm28.0 mm2.0 mm to 2.8 mmNot Rated3,000ASME B18.22MOff-White94610A4100000
    M12
    		13.4 mm34.0 mm2.5 mm to 3.5 mmNot Rated3,000ASME B18.22MOff-White94610A4120000
    M14
    		15.4 mm39.0 mm2.5 mm to 3.5 mmNot Rated3,000ASME B18.22MOff-White94610A41400000
    M16
    		17.4 mm44.0 mm3.0 mm to 4.0 mmNot Rated3,000ASME B18.22MOff-White94610A41600000
    M20
    		22.0 mm50.0 mm3.5 mm to 4.6 mmNot Rated3,000ASME B18.22MOff-White94610A42100000

    Electrical-Insulating Unthreaded Spacers

    Image of Product. Front orientation. Spacers. Electrical-Insulating Unthreaded Spacers.
    Stop electrical current in its tracks—these nonconductive spacers prevent it from passing through your components. They’re often used to insulate circuit boards and enclosures.
    Ultra-High-Temperature Grade L5 Ceramic—Our most heat-resistant spacers, even at blistering temperatures up to 1700° F. However, they may crack or dent if subjected to hard bumps and vibrations.
    Lg.
    For Screw
    Size
    ID
    Dielectric Strength,
    V/mil
    Temp. Range,
    ° F
    Pkg.
    Qty.
    Pkg.
    Ultra-High-Temperature Grade L5 Ceramic
     
    1/4" OD
    3/16"No. 3
    		0.115"27550 to 1,700196109A11000000
    3/16"No. 4
    		0.140"27550 to 1,700196109A1550000
    1/4"No. 3
    		0.115"27550 to 1,700196109A1150000
    1/4"No. 4
    		0.140"27550 to 1,700196109A1600000
    3/8"No. 3
    		0.115"27550 to 1,700196109A1200000
    3/8"No. 4
    		0.140"27550 to 1,700196109A1650000
    1/2"No. 4
    		0.140"27550 to 1,700196109A1700000
    5/8"No. 4
    		0.140"27550 to 1,700196109A1750000
    3/4"No. 4
    		0.140"27550 to 1,700196109A1800000
     
    3/8" OD
    1/4"No. 8
    		0.192"27550 to 1,700196109A2050000
    3/8"No. 8
    		0.192"27550 to 1,700196109A2100000
    1/2"No. 8
    		0.192"27550 to 1,700196109A2200000
    3/4"No. 8
    		0.192"27550 to 1,700196109A2250000
    1"No. 8
    		0.192"27550 to 1,700196109A2350000
     
    1/2" OD
    3/8"No. 10
    		0.250"27550 to 1,700196109A4200000
    1/2"No. 10
    		0.250"27550 to 1,700196109A4250000
    3/4"No. 10
    		0.250"27550 to 1,700196109A4350000
    1"No. 10
    		0.250"27550 to 1,700196109A4500000
     

    Alnico Disc Magnets

    Our most heat-resistant magnets won’t melt, deform, or lose magnetic strength in temperatures up to 1020° F. Use them in everything from magnetos and flow meters to fixturing tools. However, their magnetic hold isn't as strong as neodymium magnets.
    Warning: Maximum pull ratings are based on direct contact with rust-free, unpainted iron surfaces. Variations in material condition will significantly reduce these ratings. Do not use for lifting over people.
    Magnets With Unthreaded Hole
    Image of Product. Front orientation. Magnets. Alnico Disc Magnets, Magnets With Unthreaded Hole.
    Image of Specification. Magnetized Through Thickness. Front orientation. Contains Annotated. Magnets. Alnico Disc Magnets, Magnets With Unthreaded Hole.

    Magnetized

    Through

    Thickness

    Mount with pins, bolts, or rivets. There's no need for threading.
    Magnetized Through Thickness—Magnetized from one flat face to the other, these magnets deliver a concentrated magnetic force. They’re best for direct contact with flat surfaces.
    OD
    Hole
    Dia.
    Max. Pull,
    lbf
    Max. Temp.,
    ° F
    Magnet
    Grade
    Direction of
    Magnetization
    Mounting
    Hole Style
    Each
    1/8" Thick
    3/8"3/32"0.4970Alnico 8Through ThicknessStraight57335K62000000
     
    9/64" Thick
    17/32"1/4"0.1970Alnico 8Through ThicknessStraight57335K640000
     
    7/32" Thick
    1 9/32"0.532"0.3970Alnico 8Through ThicknessStraight57335K6800000
     
    17/64" Thick
    29/32"0.475"0.8970Alnico 8Through ThicknessStraight57335K6600000
     
    1/2" Thick
    1"3/4"1.3970Alnico 5Through ThicknessStraight5704K1400000
     
    3/4" Thick
    1 1/2"1 1/8"3970Alnico 5Through ThicknessStraight5704K1600000
     
    1" Thick
    2"1 1/2"6970Alnico 5Through ThicknessStraight5704K1800000
     
    1 1/4" Thick
    2 1/2"1 7/8"8970Alnico 5Through ThicknessStraight5704K1900000
     
    1 1/2" Thick
    3"2 1/4"14970Alnico 5Through ThicknessStraight5704K21000000
     

    General Purpose Washers

    Your go-to metal washer for every screw size. Washers take the pressure off nuts and screws to protect mounting surfaces.
    Molybdenum
    Image of Product. Front orientation. Washers. General Purpose Washers.
    Image of Specification. Front orientation. Washers. General Purpose Washers.
    Ultra-High-Temperature Molybdenum—Use these washers with molybdenum screws and nuts in high-temperature oxygen-free environments, such as vacuum furnaces. Since they’re thermally conductive, heat passes through them quickly without deforming them. They’re stronger than ceramic washers yet still handle similar temperatures without trouble. However, they will corrode in high heat when oxygen is present. They’re also nonmagnetic.
    For Screw
    Size
    ID
    OD
    Thk.
    Specs. Met
    Pkg.
    Qty.
    Pkg.
    Ultra-High-Temperature Molybdenum
    1/4"
    		0.265"0.750"0.036" to 0.045"—191614A11000000
    3/8"
    		0.406"1.000"0.056" to 0.071"—191614A1200000
    1/2"
    		0.531"1.062"0.074" to 0.121"ASME B18.21.1191614A1300000
    M6
    		6.4 mm12.0 mm1.4 mm to 1.8 mmDIN 125191614A1400000
    M8
    		8.4 mm16.0 mm1.4 mm to 1.8 mmDIN 125191614A1500000
     
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