USA Grade 8 Hex Cap Screws

USA Grade 8 Hex Cap Screws provide reliable, removable fastening across structural, industrial, and general assembly work. Ordering from a distributor that carries deep stock means matching the exact size, grade, and finish to the job, not making do with the closest thing on the rack. South Coast Fasteners keeps USA Grade 8 Hex Cap Screws in stock and ready to ship, with fast 3-5 day shipping.

Product Name	Diameter 1	Thread Pitch	Length	Thread	Material	Finish
27.54150	1-14 x 9" (PT) Hex Head Cap Screws, Fine, Grade 8, Plain, USA	452719	1"	14	9" (PT)	Fine	Grade 8	Plain	View Details
30.60090	1-14 x 10" (PT) Hex Head Cap Screws, Fine, Grade 8, Plain, USA	452722	1"	14	10" (PT)	Fine	Grade 8	Plain	View Details
0.00000	1-8 x 3 3/4 Hex Head Cap Screws, Coarse, Grade 8, Plain, USA	452820	1"	8	3 3/4" (PT)	Coarse	Grade 8	Plain	View Details
196.40620	1-8 x 7 1/2 Hex Head Cap Screws, Coarse, Grade 8, Plain, USA	452821	1"	8	7 1/2" (PT)	Coarse	Grade 8	Plain	View Details
0.00000	1-8 x 8 1/2 Hex Head Cap Screws, Coarse, Grade 8, Plain, USA	452822	1"	8	8 1/2" (PT)	Coarse	Grade 8	Plain	View Details
0.00000	1-8 x 9 1/2 Hex Head Cap Screws, Coarse, Grade 8, Plain, USA	452823	1"	8	9 1/2" (PT)	Coarse	Grade 8	Plain	View Details
0.00000	1-14 x 7 1/2 Hex Head Cap Screws, Fine, Grade 8, Plain, USA	452840	1"	14	7 1/2" (PT)	Fine	Grade 8	Plain	View Details
64.74460	1-8 x 1 1/2" (FT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454656	1"	8	1 1/2" (FT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
69.74460	1-8 x 1 3/4" (FT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454658	1"	8	1 3/4" (FT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
74.72770	1-8 x 2" (FT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454660	1"	8	2" (FT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
77.39080	1-8 x 2 1/4" (FT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454662	1"	8	2 1/4" (FT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
82.66770	1-8 x 2 1/2" (FT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454664	1"	8	2 1/2" (FT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
88.38150	1-8 x 2 3/4" (FT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454666	1"	8	2 3/4" (FT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
96.57850	1-8 x 3" (FT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454668	1"	8	3" (FT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
99.80920	1-8 x 3 1/4" (PT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454670	1"	8	3 1/4" (PT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
108.30770	1-8 x 3 1/2" (PT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454672	1"	8	3 1/2" (PT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
120.01380	1-8 x 4" (PT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454674	1"	8	4" (PT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
131.75690	1-8 x 4 1/2" (PT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454676	1"	8	4 1/2" (PT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
143.45230	1-8 x 5" (PT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454678	1"	8	5" (PT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details
151.19850	1-8 x 5 1/2" (PT) Hex Head Cap Screws, Coarse, Grade 8, Zinc-Yellow Bake Cr+3, USA	454680	1"	8	5 1/2" (PT)	Coarse	Grade 8	Zinc-Yellow Cr+3 Bake	View Details

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Materials and Finishes

USA Grade 8 Hex Cap Screws run from general-purpose carbon steel up to high-strength alloy and stainless, finished anywhere from plain and zinc to hot-dip galvanized for wet or outdoor work. Pair them with Finished Hex Nuts, Flat Washers, and fasteners to round out the assembly.

How to Choose

Size it first with diameter, thread pitch, and length. From there, pick the grade that handles the load and a finish that matches where it will live, moving to alloy or stainless for high-stress or wet conditions.

USA Grade 8 Hex Cap Screws Industry Applications

USA Grade 8 Hex Cap Screws are specified across the trades. Petrochemical and construction fasten flanges, brackets, and structural members with them, while manufacturing bolt machinery and steel assemblies with them. From grade 2 through grade 8 alloy, plain to zinc and hot-dip galvanized, matched to the load and the environment. Stocked in high-strength grade 8 alloy.

Frequently Asked Questions

What is a grade 8 bolt?

A grade 8 bolt is heat-treated alloy steel rated to about 150,000 psi tensile, marked with six radial lines on the head. It suits high-stress, load-bearing connections.

What is a hex cap screw?

A hex cap screw is a six-sided headed fastener with a washer face and tighter tolerances than a standard hex bolt. It is machine-threaded and driven with a wrench for precise, high-strength joints.

What materials and finishes are usa grade 8 hex cap screws available in?

USA Grade 8 Hex Cap Screws run from general-purpose carbon steel up to high-strength alloy and stainless, finished anywhere from plain and zinc to hot-dip galvanized for wet or outdoor work.

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.