• Flat Socket Cap Screws

Flat Socket Cap Screws

Flat Socket Cap Screws provide reliable, removable fastening across structural, industrial, and general assembly work. A deep inventory keeps it simple: you match the spec to the job instead of forcing the job to fit whatever is in the bin. South Coast Fasteners stocks Flat Socket Cap Screws in a full range of sizes, grades, and finishes, with fast 3-5 day shipping.

 Product Name
Part Number
Diameter
  1
Thread Pitch
Length
Thread
Material
Finish
 
211 1 1/4" 7 6" (PT) Coarse Alloy Steel Thermal Black Oxide
211 1 1/4" 7 7" (PT) Coarse Alloy Steel Thermal Black Oxide
211 1 1/4" 7 8" (PT) Coarse Alloy Steel Thermal Black Oxide
721 1 1/2" 6 5" Coarse Alloy Steel Thermal Black Oxide
211 1 1/2" 6 4" Coarse Alloy Steel Thermal Black Oxide
211 1 1/2" 6 4 1/2" Coarse Alloy Steel Thermal Black Oxide
211 1 1/2" 6 6" Coarse Alloy Steel Thermal Black Oxide
823 M5 0.8 50 MM Coarse Stainless Steel 18-8
823 M6 1 60 MM Coarse Stainless Steel 18-8
068 M8 1.25 45 MM Coarse Grade 12.9 (DIN7991) Zinc Cr+3
888 M8 1.25 170 MMT=40 Coarse Grade 10.9 Alloy Steel Zinc Bake Cr+3
534 M20 2.5 155 MM Coarse Grade 12.9 (DIN 7991) Thermal Black Oxide
534 M20 2.5 170 MM Coarse Grade 12.9 (DIN 7991) Thermal Black Oxide
534 M24 3 170 MM Coarse Grade 12.9 (DIN 7991) Thermal Black Oxide
Showing 981-994 of 994 Results
Diameter: 1 1/4"
Thread Pitch: 7
Length: 6" (PT)
Thread: Coarse
Material: Alloy Steel
Finish: Thermal Black Oxide
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Diameter: 1 1/4"
Thread Pitch: 7
Length: 7" (PT)
Thread: Coarse
Material: Alloy Steel
Finish: Thermal Black Oxide
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Diameter: 1 1/4"
Thread Pitch: 7
Length: 8" (PT)
Thread: Coarse
Material: Alloy Steel
Finish: Thermal Black Oxide
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Diameter: 1 1/2"
Thread Pitch: 6
Length: 5"
Thread: Coarse
Material: Alloy Steel
Finish: Thermal Black Oxide
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Diameter: 1 1/2"
Thread Pitch: 6
Length: 4"
Thread: Coarse
Material: Alloy Steel
Finish: Thermal Black Oxide
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Diameter: 1 1/2"
Thread Pitch: 6
Length: 4 1/2"
Thread: Coarse
Material: Alloy Steel
Finish: Thermal Black Oxide
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Diameter: 1 1/2"
Thread Pitch: 6
Length: 6"
Thread: Coarse
Material: Alloy Steel
Finish: Thermal Black Oxide
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Diameter: M5
Thread Pitch: 0.8
Length: 50 MM
Thread: Coarse
Material: Stainless Steel 18-8
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Diameter: M6
Thread Pitch: 1
Length: 60 MM
Thread: Coarse
Material: Stainless Steel 18-8
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Diameter: M8
Thread Pitch: 1.25
Length: 45 MM
Thread: Coarse
Material: Grade 12.9 (DIN7991)
Finish: Zinc Cr+3
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Diameter: M8
Thread Pitch: 1.25
Length: 170 MMT=40
Thread: Coarse
Material: Grade 10.9 Alloy Steel
Finish: Zinc Bake Cr+3
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Diameter: M20
Thread Pitch: 2.5
Length: 155 MM
Thread: Coarse
Material: Grade 12.9 (DIN 7991)
Finish: Thermal Black Oxide
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Diameter: M20
Thread Pitch: 2.5
Length: 170 MM
Thread: Coarse
Material: Grade 12.9 (DIN 7991)
Finish: Thermal Black Oxide
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Diameter: M24
Thread Pitch: 3
Length: 170 MM
Thread: Coarse
Material: Grade 12.9 (DIN 7991)
Finish: Thermal Black Oxide
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Materials and Finishes

Choose Flat Socket Cap Screws by grade and finish, with carbon steel for general work, alloy for strength, and stainless for corrosion resistance, plus zinc and hot-dip galvanized options for the outdoors. Pair them with Finished Hex Nuts and Flat Washers to round out the assembly.

How to Choose

Start with the diameter, thread pitch, and length your assembly needs, then choose a grade that carries the working load and a finish suited to the environment. Step up to alloy or stainless when strength or corrosion resistance is critical.

Flat Socket Cap Screws Industry Applications

Flat Socket Cap Screws earn a place in shops, on jobsites, and on production floors. Manufacturing and food-grade fasten tooling, fixtures, and precision machinery with them; outdoor applications and automotive reach for them in tight-clearance assemblies; and marine & offshore and petrochemical lock pulleys, gears, and collars to shafts with them. Cup, cone, and flat points and an Allen drive, in black oxide, plain, and stainless.

Frequently Asked Questions

What materials and finishes are flat socket cap screws available in?

Choose Flat Socket Cap Screws by grade and finish, with carbon steel for general work, alloy for strength, and stainless for corrosion resistance, plus zinc and hot-dip galvanized options for the outdoors.

What are flat socket cap screws used for?

Flat Socket Cap Screws are specified across manufacturing, food-grade, outdoor applications, automotive, marine and offshore, and petrochemical, from structural framing and heavy equipment to machinery and general repair.

How do I choose the right flat socket cap screws?

Start with the diameter, thread pitch, and length your assembly needs, then choose a grade that carries the working load and a finish suited to the environment. Step up to alloy or stainless when strength or corrosion resistance is critical.

Can I order in bulk or request a quote?

Yes. Stock covers small orders and full production runs. Reach out for a quote or product help.

Why Choose South Coast Fasteners?

South Coast Fasteners stocks fasteners, PPE, hand tools, cutting tools, abrasives, and industrial supplies at competitive pricing, with fast shipping and a team that works the products daily.