Made in USA Fasteners & USA-Machined Boat Rigging – Monster Bolts
140 products
Showing 49 - 96 of 140 products
Discover Monster Bolts’ selection of Made in USA fasteners and USA-machined boat rigging hardware. This collection highlights American-manufactured stainless and alloy steel components—hex cap screws (ASTM F593), socket screws, nuts, washers, and marine-grade hardware—chosen for consistency, durability, and reliable performance.
Built for industrial, marine, and precision applications, these parts deliver tight tolerances, dependable materials, and fast shipping from Florida. Looking for rigging parts? Explore our USA-machined cable & rigging components.
Showing 49 - 96 of 140 products
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Bulk 1"-8 Grade 8 Hex Cap Screws – Zinc Yellow CR+3, Made in USA – Monster Bolts
Sale priceFrom $165.59
Bulk 1"-14 Grade 8 Hex Cap Screws – Zinc Yellow CR+3, Made in USA – Monster Bolts
Sale priceFrom $180.41
Bulk 1-1/8"-7 Grade 8 Hex Cap Screws – Zinc Yellow CR+3, Made in USA – Monster Bolts
Sale priceFrom $178.82
Bulk 1-1/4"-7 Grade 8 Hex Cap Screws – Zinc Yellow CR+3, Made in USA – Monster Bolts
Sale priceFrom $189.84
Bulk 1-1/4"-12 Grade 8 Hex Cap Screws – Zinc Yellow CR+3, Made in USA – Monster Bolts
Sale priceFrom $240.83
Bulk Finished Hex Nuts, Grade 8, Zinc Yellow CR+3, Made in USA (US Sizes)
Sale priceFrom $179.62
Bulk Direct Tension Indicator Washers – Plain or Galvanized Finish for A325 Bolts (Made in USA)
Sale priceFrom $1,040.19
Bulk SAE Extra Heavy Flat Washers – Medium Carbon Steel Zinc Yellow Cr+6 (Made in USA)
Sale priceFrom $277.62
Bulk SAE Flat Washers – Medium Carbon Thru-Hardened Zinc Yellow Cr+6 (Made in USA)
Sale priceFrom $235.45
Bulk USS Flat Washers – Thru-Hardened Zinc Yellow Cr+6 (Made in USA)
Sale priceFrom $214.28
1/4"-20 L9 Hex Head Cap Screw – Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $29.70
1/2"-20 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $108.56
3/4"-10 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $135.44
3/4"-16 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $146.32
7/8"-9 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $162.49
7/8"-14 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $206.41
1"-8 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $157.45
1-1/8"-7 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $379.13
1-1/8"-12 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $426.26
1-1/4"-7 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $362.35
1-1/4"-12 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $423.92
1-1/2"-6 L9 Hex Head Cap Screw – Coarse Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $767.94
1-1/2"-12 L9 Hex Head Cap Screw – Fine Thread Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $585.81
L9 Hex Nuts – Alloy Steel Cadmium Yellow & Wax (Coarse & Fine Thread, Made in U.S.A.)
Sale priceFrom $32.24
L9 Collar Locknuts – Alloy Steel Cadmium Yellow & Wax (Coarse Thread, Made in U.S.A.)
Sale priceFrom $47.06
L9 USS Tension Flat Washers – Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $28.48
L9 SAE Tension Flat Washers – Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $24.21
Bulk L9 SAE Tension Flat Washers – Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $755.82
Bulk L9 USS Tension Flat Washers – Alloy Steel Zinc Yellow CR+3 (Made in U.S.A.)
Sale priceFrom $503.92
Bulk L9 Collar Locknuts – Alloy Steel Cadmium Yellow & Wax, Made in U.S.A.
Sale priceFrom $691.32
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