McMaster-Carr logo
    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)
    5 Products

    Reinforced Threaded-Hole Bumpers

    Image of Product. Front orientation. Bumpers. Reinforced Threaded-Hole Bumpers, Style 1.

    Style 1

    With a metal base plate for added strength, these bumpers withstand repeated impacts for a longer service life than all-rubber bumpers. You can also use them as spacers and noise reducers. Twist them onto a threaded stud on your equipment, or pair them with your own stud to create a custom-length bumper.
    Multipurpose NeopreneAbout Multipurpose Neoprene
    Image of Product. Front orientation. Bumpers. Reinforced Threaded-Hole Bumpers, Style 1.

    Style 1

    A good choice for oily equipment that's exposed to sunlight, rain, and ozone. These aren't as oil resistant as Buna-N bumpers, but they can be used outdoors.
    Hardness Rating—The harder the bumper, the better it withstands impact and abrasion over time. The softer the bumper, the more cushioning it provides for objects made of glass, soft metal, and other fragile materials. Bumpers with a medium rating offer a balance of impact resistance and cushioning.
    Thread
    Size
    Dp.
    OD
    Ht.
    Hardness
    Hardness
    Rating
    Color
    Temp.,
    ° F
    Base Plate
    Material
    Nonmarking
    For Use
    Outdoors
    Each
    Style 1
    1 1/4"-12
    		1 1/4"3"2 3/4"Durometer 40AMedium SoftBlack-40 to 200SteelNoYes9546K77000000
    1 1/4"-12
    		1 1/4"3"2 3/4"Durometer 75AHardBlack-40 to 200SteelNoYes9546K53100000
     
    Abrasion-Resistant Polyurethane RubberAbout Abrasion-Resistant Polyurethane Rubber
    Image of Product. Front orientation. Bumpers. Reinforced Threaded-Hole Bumpers, Style 1.

    Style 1

    Our toughest rubber bumpers, they keep their shape even when knocked and scraped by metal and other abrasive materials. They're often used on industrial vehicles, conveyors, and heavy construction equipment.
    Hardness Rating—The harder the bumper, the better it withstands impact and abrasion over time. The softer the bumper, the more cushioning it provides for objects made of glass, soft metal, and other fragile materials. Bumpers with a medium rating offer a balance of impact resistance and cushioning.
    Thread
    Size
    Dp.
    OD
    Ht.
    Hardness
    Hardness
    Rating
    Color
    Temp.,
    ° F
    Base Plate
    Material
    Nonmarking
    For Use
    Outdoors
    Each
    Style 1
    1 1/4"-12
    		1 1/4"3"2 3/4"Durometer 85AHardRed-40 to 200SteelNoYes9546K87000000
     

    Threaded Rod Collars

    Image of Product. Front orientation. Threaded Rod Collars. Threaded Rod Collars.
    To install, thread these one-piece collars onto the end of your shaft. They clamp evenly around the shaft to create a strong, mar-free hold. Tighten the clamping screw to secure.
    Black-Oxide 1215 Carbon Steel—Black-oxide steel collars have some corrosion resistance.
    303 Stainless Steel—303 stainless steel collars have excellent corrosion resistance.
    Clamping
    Screw
    Black-Oxide 1215
    Carbon Steel
    303
    Stainless Steel
    For Shaft
    Thread Size
    OD
    Wd.
    Type
    No.
    of
    Each
    Each
    1 1/4"-12
    		2 1/16"1/2"Socket Head16438K340000006438K62000000
    back to top