Set Screws
Available2,017 products
Set screws, also known as grub screws, typically have no heads and are fastened into a threaded hole on a component to hold it in place against another component. They are commonly used to hold sleeves, collars, knobs, and gears in place on rotating shafts. They come in a variety of materials and tip shapes which dictate their holding power.
Cup Point Set Screws
Cup point set screws use a concaved tip with a dome or cone-shaped depression to bite into the mounting surface. This creates a matching indent on the mounting surface that the tip engages with and helps resist rotation.
Plain Steel
1/4"-20 Thread Size
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5/16"-18 Thread Size
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3/8"-16 Thread Size
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7/16"-14 Thread Size
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1/2"-13 Thread Size
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5/8"-11 Thread Size
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3/4"-10 Thread Size
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7/8"-9 Thread Size
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1"-8 Thread Size
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Black Oxide Steel
M1.6x0.35 Thread Size
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M10x1.25 Thread Size
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M10x1.5 Thread Size
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M12x1.5 Thread Size
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M12x1.75 Thread Size
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M14x2 Thread Size
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M16x1.5 Thread Size
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M16x2 Thread Size
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M2.5x0.45 Thread Size
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M20x2.5 Thread Size
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M24x3 Thread Size
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M2x0.4 Thread Size
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M3x0.5 Thread Size
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M4x0.7 Thread Size
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M5x0.8 Thread Size
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M6x1 Thread Size
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M8x1 Thread Size
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M8x1.25 Thread Size
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Zinc Plated Steel
M3x0.5 Thread Size
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Black Oxide Alloy Steel
#0-80 Thread Size
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#2-56 Thread Size
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#3-48 Thread Size
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#4-40 Thread Size
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#4-48 Thread Size
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#5-40 Thread Size
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#5-44 Thread Size
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#6-32 Thread Size
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#6-40 Thread Size
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#8-32 Thread Size
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#8-36 Thread Size
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#10-24 Thread Size
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#10-32 Thread Size
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1/4"-20 Thread Size
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1/4"-28 Thread Size
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5/16"-18 Thread Size
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5/16"-24 Thread Size
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3/8"-16 Thread Size
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3/8"-24 Thread Size
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7/16"-14 Thread Size
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7/16"-20 Thread Size
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1/2"-13 Thread Size
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1/2"-20 Thread Size
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5/8"-11 Thread Size
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5/8"-18 Thread Size
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3/4"-10 Thread Size
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3/4"-16 Thread Size
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7/8"-9 Thread Size
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1"-8 Thread Size
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Zinc Plated Alloy Steel
M10x1.5 Thread Size
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M12x1.75 Thread Size
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M16x2 Thread Size
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M4x0.7 Thread Size
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M5x0.8 Thread Size
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M6x1 Thread Size
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M8x1.25 Thread Size
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Plain Stainless Steel
M1.6x0.35 Thread Size
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M10x1.5 Thread Size
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M12x1.75 Thread Size
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M16x2 Thread Size
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M2.5x0.45 Thread Size
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M2x0.4 Thread Size
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M3x0.5 Thread Size
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M4x0.7 Thread Size
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M5x0.8 Thread Size
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M6x1 Thread Size
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M8x1.25 Thread Size
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#2-56 Thread Size
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#3-48 Thread Size
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#4-40 Thread Size
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#6-32 Thread Size
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#8-32 Thread Size
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#10-24 Thread Size
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#10-32 Thread Size
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1/4"-20 Thread Size
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1/4"-28 Thread Size
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5/16"-18 Thread Size
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3/8"-16 Thread Size
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1/2"-13 Thread Size
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M5 Thread Size
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Knurled Cup Point Set Screws
Knurled cup point set screws feature a depression on their tips with teeth or serrations. This allows the tip to better engage with the mounting surface than regular cup point set screws.
Flat Point Set Screws
Flat-point set screws feature a flat tip with a slight taper to aid in the initial threading. They are commonly used with flat mating surfaces to ensure a solid connection and minimize damage to the mating surface.
Cone Point Set Screws
Cone point set screws feature a cone-shaped tip that tapers down to a fine point. This cone point digs into the mounting surface and provides exceptional holding power against rotational forces. The cone point also provides compressive strength, making them useful for fine adjustment when positioning components in relation to one another.
Dog Point Set Screws
Dog point set screws engage with holes in the mounting surface to prevent unwanted rotation. They feature a cylindrical tip with no threads that insert into a matching hole on the mounting surface to prevent movement.
Half Dog Point Set Screws
Half dog point set screws have tips that are shorter than dog point set screws, allowing them to fit into shallower holes. They feature an unthreaded cylindrical tip that inserts into a matching hole on the mounting surface which prevents it from moving.
Oval Point Set Screws
Oval point set screws use a rounded, unthreaded tip to engage with the mounting surface. This design helps to reduce deformation or indentation in applications requiring frequent adjustment or installation of the set screw.
Set Screw Assortments
Set screw assortments feature a variety of sizes and styles of set screws in both metric and imperial units. They are commonly used in repair shops or manufacturing assemblies where the same set of fasteners is used repeatedly.