Socket Cap
Everything You Need to Know About Cap Screws
A cap screw is a type of fastener used for making mechanical connections between mating objects, to ensure that they are held together securely. These screws are commonly used to fasten machine parts and many other types of objects, such as those inside home appliances or consumer electronic devices. It is important to select the right size and type of cap screw for each individual application.
A cap screw is directly tightened into a threaded or tapped hole, and is normally used without a nut. It has a large head on one end and a cylindrical shaft with an external thread – a helical structure that allows the screw to be advanced when rotated. The tapped hole has an internal thread that matches the external thread of the screw. When this screw is inserted and rotated into a tapped hole, it advances. The screw is tightened and loosened by applying torque to the head of the screw using a tool.
A variety of cap screw heads are available to allow different tools to be used for tightening or loosening the screw. The head has a larger diameter than the threaded portion to provide a positive mechanical stop when tightening the screw, and to allow the head to be shaped to accept a specific type of tool. Examples of commonly used cap screw heads are the hex head, which has a hexagonal shape for use with a spanner wrench; the socket head, which has recessed hexagonal hole for use with an Allen wrench; and the button head, which has a lower profile, dome-shaped head and recessed hexagonal hole for use in counterbored holes.
A cap screw can generate a high amount of clamping force when tightened. The mating surfaces between the screw and nut resist the force being applied by the screw, and help to prevent the mechanical connection from loosening over time. The type and size of cap screw selected for a particular application depends primarily on the forces required to adequately secure the mechanical connection.
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98-07 05 06 kawasaki NINJA EX250 HANDLE BARS BOLT 2 BOLTS WITH CAPS OEM SOCKETS $0.01 |
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Hex Socket M6 Metric 16mm Titanium Cap Screw Bolt Mecha $0.99 |
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Dubro 3mm x 30mm Socket Head Cap Screws,(4) $0.99 |
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NEW Titanium Socket Head Cap Screws Bolts 10-24 x 3/4″ $0.99 |
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New Package of 5 FKE 200+ Socket Head Cap Screws 3/8-16 x 2″ $0.99 |
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Socket Head Cap Screw, Alloy w/Nylon Patch, 1/2-20×1 1/4, Black, Qty: 1 $0.99 |
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Lots of 4: M6 x 86mm Socket-Hd Cap Screw Sets $0.99 |
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Motorcycle M8x16 Stainless Button Head Socket Cap Bolt $0.99 |
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Motorcycle M5x16 Stainless Button Head Socket Cap Bolt $0.99 |
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Motorcycle M5x10 Stainless Button Head Socket Cap Bolt $0.99 |
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Socket Head Cap Screw – 5/16″ Long – Price Per 1 $1.00 |
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Socket Head Cap Screw – 3/8″ Long – Price Per 1 $1.00 |
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DUB578 Socket Cap Screws 8-32×3/4 (4) $1.00 |
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Leviton 1/2″ Lamp Holder Mogul Light Socket Caps Die Cast w/ Lining 6592-PRT $1.00 |
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Socket Head Cap Screw – 5/16″ Long – Price Per 1 $1.00 |
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Socket Head Cap Screw – 3/8″ Long – Price Per 1 $1.00 |
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Socket Head Cap Screw #73715 $1.00 |
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4-pcs.18 Pin IC DIP Socket with .1 cap (2 x 9 pin) $1.00 |
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Du-Bro Socket Head Cap Screws,10-32 x 1″ DUB581 $1.00 |
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Ebara C-1010-265-0001 Hexagon Socket Head Cap $1.00 |
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DUB3116 Stainless Steel Socket Head Cap Screw 4-40×5/8″ $1.00 |
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DUB580 Socket Cap Screws 10-32×3/4 (4) $1.00 |
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DUB582 Socket Cap Screws 10-32×1-1/4 (4) $1.00 |
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GPMQ3000 Socket Head Cap Screws 2-56×1/4″ (4) $1.00 |
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205004060 Socket head Cap Screw New Factory Bombardier Can-Am SeaDoo SkiDoo $1.00 |
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Dubro New Socket Head Cap Screws,6-32 x 1 DUB315 $1.00 |
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Dubro New Socket Head Cap Screws, 2-56 x 1/4 DUB309 $1.00 |
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Dubro New Socket Head Cap Screws, 2-56 x 1/2 DUB310 $1.00 |
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Dubro New Socket Head Cap Screws,2-56 x 3/4 DUB311 $1.00 |
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Dubro New Socket Head Cap Screws,4-40 x 1 DUB312 $1.00 |
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Dubro New Socket Head Cap Screws,4-40 x 1-1/2 DUB314 $1.00 |
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Dubro New Socket Head Cap Screws,6-32 x 1-1/4 DUB316 $1.00 |
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Dubro New Socket Head Cap Screws,6-32 x 1-1/2 DUB317 $1.00 |
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Dubro New Socket Head Cap Screws,8-32 x 1 DUB318 $1.00 |
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Dubro New Socket Head Cap Screws,8-32 x 1-1/4 DUB319 $1.00 |
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Dubro New Socket Head Cap Screws,4-40 x 1-1/4 DUB313 $1.00 |
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Dubro New Socket Cap Screws,4-40 x 3/4″ DUB572 $1.00 |
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Dubro New Socket Cap Screws,6-32 x 1/8″ DUB573 $1.00 |
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Dubro New Socket Cap Screws,6-32 x 1/4″ DUB574 $1.00 |
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Dubro New Socket Cap Screws,6-32 x 1/2″ DUB575 $1.00 |
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Dubro New Socket Cap Screws,6-32 x 3/4″ DUB576 $1.00 |
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Dubro New Socket Cap Screws,8-32 x 1/2″ DUB577 $1.00 |
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Dubro New Socket Cap Screws,8-32 x 3/4″ DUB578 $1.00 |
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Dubro New Socket Cap Screws,10-32 x 1/2″ DUB579 $1.00 |
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Dubro New Socket Head Cap Screws,10-32 x 3/4″ DUB580 $1.00 |
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Dubro New Socket Head Cap Screws,10-32 x 1″ DUB581 $1.00 |
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Dubro New Socket Cap Screws,4-40 x 1/2″ DUB571 $1.00 |
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Dubro New Socket Cap Screws,4-40 x 3/8″ DUB570 $1.00 |
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Dubro New Socket Cap Screws,4-40 x 1/8″ DUB568 $1.00 |
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Dubro New Socket Cap Screws,4-40 x 1/4″ DUB569 $1.00 |
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205562560 Socket Head cap Screw New Factory Bombardier Can-Am SeaDoo SkiDoo $1.00 |
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GPMQ3038 Socket Head Cap Screws 6-32×1″ (4) $1.00 |
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Du-Bro Socket Head Cap Screws,6-32 x 1-1/4 DUB316 $1.00 |
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DUB583 Socket Cap Screws 10-32×1-1/2 (4) $1.00 |
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Varian E47000016 SCREW?CAP?SOCKET HEA $1.00 |
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Varian E47000252 SCREW?VENTED?CAP?SOCKET $1.00 |
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SCOTT HEALTH AND SAFETY 31000492 SOCKET HEAD CAP SCREW $1.00 |
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Du-Bro Socket Cap Screws,6-32 x 1/2″ DUB575 $1.00 |
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Du-Bro Socket Head Cap Screws,8-32 x 1 DUB318 $1.00 |
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Du-Bro Socket Head Cap Screws,4-40 x 1 DUB312 $1.00 |
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Du-Bro Socket Cap Screws,4-40 x 3/8″ DUB570 $1.00 |
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Du-Bro Socket Cap Screws,10-32 x 1/2″ DUB579 $1.00 |
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Du-Bro Socket Head Cap Screws,4-40 x 1-1/2 DUB314 $1.00 |
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Du-Bro Socket Head Cap Screws,8-32 x 1-1/4 DUB319 $1.00 |
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Du-Bro Socket Head Cap Screws,6-32 x 1 DUB315 $1.00 |
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Du-Bro Socket Cap Screws,4-40 x 1/2″ DUB571 $1.00 |
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Du-Bro Socket Cap Screws,4-40 x 3/4″ DUB572 $1.00 |
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Du-Bro Socket Head Cap Screws, 2-56 x 1/4 DUB309 $1.00 |
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Du-Bro Socket Head Cap Screws,2-56 x 3/4 DUB311 $1.00 |
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Du-Bro Socket Head Cap Screws,4-40 x 1-1/4 DUB313 $1.00 |
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Duratrax Socket Head Cap Screw 2x5mm (6) DTXC4383 $1.00 |
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DUBRO 2mm x 6 Socket Head Cap Screws (4) #2112 NEW $1.00 |
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DUBRO 4-40 x 1/8″ Socket Head Cap Screws #568 NEW $1.00 |
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Du-Bro Socket Cap Screws,6-32 x 1/8″ DUB573 $1.00 |
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DUBRO 8-32 x 1/2″ Socket Head Cap Screws #577 NEW $1.00 |
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DUBRO 2.5mm x 8 Socket Head Cap Screws (4) #2117 NEW $1.00 |
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DUBRO 4-40 x 1/4″ Socket Head Cap Screws #569 NEW $1.00 |
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Du-Bro Socket Head Cap Screws,6-32 x 1-1/2 DUB317 $1.00 |
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Du-Bro Socket Head Cap Screws, 2-56 x 1/2 DUB310 $1.00 |
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Du-Bro Socket Head Cap Screws,10-32 x 3/4″ DUB580 $1.00 |
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Du-Bro Socket Cap Screws,4-40 x 1/8″ DUB568 $1.00 |
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Du-Bro Socket Cap Screws,6-32 x 1/4″ DUB574 $1.00 |
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Du-Bro Socket Cap Screws,4-40 x 1/4″ DUB569 $1.00 |
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Du-Bro Socket Cap Screws,6-32 x 3/4″ DUB576 $1.00 |
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BRP 204100045 SCREW-SOCKET CTSK.FL.HD.CAP 10 $1.00 |
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DUB576 Socket Cap Screws 6-32×3/4 (4) $1.00 |
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SST Stainless Steel Flat Socket Cap Screw 10/32 x 5/8 E $1.00 |
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SST Stainless Steel Socket Cap Screw 5/16-18 x 1 B $1.00 |
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Steel Alloy Socket Cap Screw 1/4-28 x 1/2 D $1.00 |
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GPMQ3002 Socket Head Cap Screws 2-56×1/2″ (4) $1.00 |
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TEAM ASSOCIATED Socket Head Cap Screw 4-40 x 7/8″ 7738 NEW $1.00 |
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Du-Bro Socket Cap Screws,8-32 x 1/2″ DUB577 $1.00 |
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Du-Bro Socket Cap Screws,8-32 x 3/4″ DUB578 $1.00 |
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6-32 x 1″ Socket Head Cap Screws $1.00 |
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New Dubro 571 Socket Cap Screws 4-40×1/2 (4) $1.05 |
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New Dubro 576 Socket Cap Screws 6-32×3/4 (4) $1.05 |
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Great Planes Socket Head Cap Screws 4-40×1″ (4) GPMQ3016 $1.09 |
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Great Planes Socket Head Cap Screws 6-32×1″ (4) GPMQ3038 $1.09 |
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Great Planes Socket Head Cap Screws 8-32×1/2″ (4) GPMQ3044 $1.09 |
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Great Planes Socket Head Cap Screws 8-32×3/4″ (4) GPMQ3046 $1.09 |
