Socket Head Cap Screws

MRO Hardware is your source for socket head cap screws. Available in multiple sizes, threads, and finishes; we have the fasteners you need in stock and ready to ship. We carry socket head cap screws in stainless steel, zinc, and low carbon steel.

Socket head cap screws, also known as Allen bolts, are high-strength fasteners known for their reliability and precision. Featuring a cylindrical head with a hexagonal recess, these screws are designed for use with an Allen wrench or hex key, providing a secure and tight fit. Socket head cap screws are favored for their ability to handle high torque and their clean, professional appearance, making them indispensable in various industrial and mechanical applications.

Our inventory grows regularly, so if you don’t see the socket head cap screws you need or are unsure what socket head cap screws fastener is right for your application, give us a call at 1-800-783-0910.

Showing 277–288 of 340 results

Item Name
Finish
Length
Material
Thread
Thread Length
Price

M3 x 0.50 Socket Head Cap Screws (M3020CSP)
Plain
20
Alloy Steel
M3 x 0.50
20
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M3 x 0.50 Socket Head Cap Screws (M3025CSP)
Plain
25
Alloy Steel
M3 x 0.50
25
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M3 x 0.50 Socket Head Cap Screws (M3030CSP)
Plain
30
Alloy Steel
M3 x 0.50
30
--
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M3 x 0.50 Socket Head Cap Screws (M3035CSP)
Plain
35
Alloy Steel
M3 x 0.50
35
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M4 x 0.70 Socket Head Cap Screws (M4005CSP)
Plain
5
Alloy Steel
M4 x 0.70
5
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M4 x 0.70 Socket Head Cap Screws (M4006CSP)
Plain
6
Alloy Steel
M4 x 0.70
6
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M4 x 0.70 Socket Head Cap Screws (M4008CSP)
Plain
8
Alloy Steel
M4 x 0.70
8
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M4 x 0.70 Socket Head Cap Screws (M4010CSP)
Plain
10
Alloy Steel
M4 x 0.70
10
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M4 x 0.70 Socket Head Cap Screws (M4012CSP)
Plain
12
Alloy Steel
M4 x 0.70
12
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M4 x 0.70 Socket Head Cap Screws (M4016CSP)
Plain
16
Alloy Steel
M4 x 0.70
16
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M4 x 0.70 Socket Head Cap Screws (M4020CSP)
Plain
20
Alloy Steel
M4 x 0.70
20
--
View Product
M4 x 0.70 Socket Head Cap Screws (M4025CSP)
Plain
25
Alloy Steel
M4 x 0.70
25
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View Product

MRO Hardware

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Socket Head Cap Screws

M3 x 0.50 Socket Head Cap Screws (M3020CSP)

M3 x 0.50 Socket Head Cap Screws (M3025CSP)

M3 x 0.50 Socket Head Cap Screws (M3030CSP)

M3 x 0.50 Socket Head Cap Screws (M3035CSP)

M4 x 0.70 Socket Head Cap Screws (M4005CSP)

M4 x 0.70 Socket Head Cap Screws (M4006CSP)

M4 x 0.70 Socket Head Cap Screws (M4008CSP)

M4 x 0.70 Socket Head Cap Screws (M4010CSP)

M4 x 0.70 Socket Head Cap Screws (M4012CSP)

M4 x 0.70 Socket Head Cap Screws (M4016CSP)

M4 x 0.70 Socket Head Cap Screws (M4020CSP)

M4 x 0.70 Socket Head Cap Screws (M4025CSP)

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