See what Monster Bolts customers love most when it comes to our products! We proudly offer everything you need, from hex bolts and keys to machine screws and more. If you are looking for a specific head, nut, or washer type, you are sure to find it here! Monster Bolts is your top choice when it comes to top quality products and service at a reasonable price. Contact us today if you have any questions or comments about our products and what we can do to improve our services. We look forward to showing you what our company’s products are all about!
Bulk F436 Round Washers – Hot Dipped Galvanized (HDG) Structural Washers
Sale priceFrom $138.90
Bulk F436 Round Washers – Hot Dipped Galvanized (HDG) USA-Made Structural Washers
Sale priceFrom $297.16
Bulk US / Inch Steel Fender Washers – Hot Dipped Galvanized (HDG) Wide Diameter Washers
Sale priceFrom $64.00
Bulk US / Inch Stainless Steel Fender Washers – A2 Stainless Steel Wide Diameter Washers
Sale priceFrom $74.45
Bulk SAE Flat Washers – Medium Carbon Thru-Hardened Plain Steel High-Strength Washers
Sale priceFrom $112.25
Bulk SAE Flat Washers – Zinc Yellow Cr+6 Plated Steel High-Quality Fasteners
Sale priceFrom $77.16
Bulk SAE Flat Washers – Zinc Plated Steel RoHS Compliant Fasteners
Sale priceFrom $62.48
Bulk USS Flat Washers – Low Carbon Steel Zinc Yellow Cr+6 Plated
Sale priceFrom $72.03
Bulk USS Flat Washers – Zinc Plated Steel (Cr+3) RoHS Compliant Fasteners
Sale priceFrom $50.67
Bulk 3/4"-16 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $231.63
Bulk 3/4"-10 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $189.57
Bulk 5/8"-18 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $141.04
Bulk 1/2"-20 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $203.11
Bulk 1/2"-13 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $172.29
Bulk 7/16"-14 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $210.15
Bulk 3/8"-16 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $173.26
Bulk 3/8"-24 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $211.70
Bulk 5/16"-24 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $223.52
Bulk 5/16"-18 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $189.97
Bulk 1/4"-28 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $270.99
Bulk 1/4"-20 Hex Flange Bolts, Grade 8 Black Phosphate / Oil
Sale priceFrom $189.65
Bulk 3/4"-10 Hex Flange Bolts, Grade 8 Zinc Yellow
Sale priceFrom $231.63
Bulk 5/8"-18 Hex Flange Bolts, Grade 8 Zinc Yellow
Sale priceFrom $231.10
Bulk 5/8"-11 Hex Flange Bolts, Grade 8 Zinc Yellow
Sale priceFrom $199.21
Bulk 1/2"-13 Hex Flange Bolts, Grade 8 Zinc Yellow
Sale priceFrom $212.24
Bulk 7/16"-14 Hex Flange Bolts, Grade 8 Zinc Yellow
Sale priceFrom $256.77
Bulk 3/8"-16 Hex Flange Bolts, Grade 8 Zinc Yellow
Sale priceFrom $222.82
Bulk 5/16"-18 Hex Flange Bolts, Grade 8 Zinc Yellow
Sale priceFrom $232.12
Bulk 1/4"-20 Hex Flange Bolts, Grade 8 Zinc Yellow
Sale priceFrom $231.75
Bulk 1/2"-13 Hex Flange Bolts, Stainless Steel 18-8, Serrated with Wax
Sale priceFrom $151.97
M16-2.0 Hex Flange Bolts, Class 10.9 Alloy Steel w Zinc-Yellow, DIN 6921
Sale priceFrom $137.30
M14-2.0 Hex Flange Bolts, Class 10.9 Alloy Steel w Zinc-Yellow, DIN 6921
Sale priceFrom $112.68
M12-1.75 Hex Flange Bolts, Class 10.9 Alloy Steel w Zinc-Yellow, DIN 6921
Sale priceFrom $127.39
M10-1.50 Hex Flange Bolts, Class 10.9 Alloy Steel w Zinc-Yellow, DIN 6921
Sale priceFrom $122.72
M8-1.25 Hex Flange Bolts, Class 10.9 Alloy Steel w Zinc-Yellow, DIN 6921
Sale priceFrom $152.73
M6-1.00 Hex Flange Bolts, Class 10.9 Alloy Steel w Zinc-Yellow, DIN 6921
Sale priceFrom $188.75
3/8"-24 x 1-1/2" Socket Head Cap screws, Alloy Steel with Black Oxide, Fine Thread
Sale priceFrom $7.06
Bulk M16 Button Head Socket Cap screws, 12.9 Alloy Steel with Black Oxide
Sale priceFrom $144.51
Bulk M8 Button Head Socket Cap screws, 12.9 Alloy Steel w/ Black Oxide
Sale priceFrom $145.24
Bulk M6 Button Head Socket Cap screws, 12.9 Alloy Steel w/ Black Oxide
Sale priceFrom $105.84
Bulk M5 Button Head Socket Cap screws, 12.9 Alloy Steel w/ Black Oxide
Sale priceFrom $131.28
Bulk M4 Button Head Socket Cap screws, 12.9 Alloy Steel w/ Black Oxide
Sale priceFrom $114.66
Bulk M3 Button Head Socket Cap screws, 12.9 Alloy Steel w/ Black Oxide
Sale priceFrom $104.83
Bulk M2 Button Head Socket Cap screws, 12.9 Alloy Steel with Black Oxide
Sale priceFrom $161.53