Monster Bolts

7125 products ★ 5.0

Monster Bolts is your top choice for both metric nuts and US sizing. Shop now for a great selection of nuts and washers, screws, bolts, concrete anchors & more.

Monster Bolts

All products

All Pan Head Machine Screws Pan Head Machine Screws (Inch) – Phillips Drive Flat Head Socket Cap Screws (Inch) – 82° Countersink Metric Flat Socket Cap Screws - Stainless & 12.9 Alloy Button Head Socket Cap Screws - Stainless & 12.9 Alloy Socket Head Cap Screws — Metric & Inch (Allen / Hex Drive) Set / Grub Screws - Stainless & 45H Alloy Steel Button Head Socket Cap Screws (Inch) Socket Head Cap Screws - (Inch / Allen) Socket Set Screws (Inch) – Cup Point Inch - Nuts and Washers Allen Wrenches / Hex Keys - Monster Bolts Nuts and Locking Nuts Best Selling Products Newest Products Phillips Flat Head Machine Screws Metric Flat Head Socket Cap Screws - DIN 7991 Metric Socket Head Cap Screws - DIN 912 Metric Button Head Socket Cap Screws - ISO 7380 Metric Socket Set Screws (Cup Point) - DIN 916 Hex Bolts Low Head Socket Cap - Stainless & 10.9 Alloy Grade 5 Titanium Socket Screws All Metric Nuts and Washers Washers and Locking Washers Inch - Drill Bits, Hex Keys and Driver Bits Metric Hex Keys & Driver Bits Hex Cap Screws / Tap Bolts (Inch) – Grade 8 & Stainless Metric Hex Cap Screws – A2 Stainless M4–M10 & 10.9 Black Alloy (M6, M8) Metric Phillips Pan Head Machine Screws – DIN 7985 Metric Phillips Flat Head Machine Screws – DIN 965 Metric Low Head Socket Cap Screws - DIN 7984 Low Head Socket Cap Screws (Inch) Flat Washers Split Lock Washers Hex Nuts Nylon Insert Locknuts Flange Nuts A4 (316) Marine Grade Stainless Steel, Screws, Nuts and Washers Socket Screws — Allen / Hex Drive Fasteners (Inch, ASME B18.3) Star / 6-Lobe Fasteners Sheet Metal Screws (Inch) – Self-Drilling & Self-Tapping Deck / Wood Screws Screwdriver Bits Monster Bolts Metric Fasteners – Screws, Bolts, Nuts, and Washers Tek Screws | Hex-Washer Head Drill-Point Screws Tek roofing Screws | Hex-Washer Head w EPDM Bonded sealing washer, Drill-Point Screws Metric Hex Nuts - DIN 934 Metric Nylon Insert Lock Nuts (Nylock) – DIN 985 Metric Flat Washers – DIN 125A
Metric Hex Nuts, Stainless Steel DIN 934 A2 / 18-8

Metric Hex Nuts, Stainless Steel DIN 934 A2 / 18-8

USD 0.65
Hex Serrated Flange Nuts, Zinc Plated Class 8 Alloy Steel Metric DIN 6923 / ISO 4161

Hex Serrated Flange Nuts, Zinc Plated Class 8 Alloy Steel Me

USD 0.85
Metric Nylon Insert Hex Lock Nuts - DIN 985 Black Oxide Steel Class 8

Metric Nylon Insert Hex Lock Nuts - DIN 985 Black Oxide Stee

USD 1.4
Metric Nylon Insert Hex Lock Nuts - Stainless Steel DIN 985 18-8 / A2

Metric Nylon Insert Hex Lock Nuts - Stainless Steel DIN 985

USD 0.94
Marine Grade Stainless Steel Hex Nuts, A4 (316) DIN 934 - Metric Coarse

Marine Grade Stainless Steel Hex Nuts, A4 (316) DIN 934 - Me

USD 0.88
Marine Grade Stainless Steel Nylon Insert Hex Lock Nuts, A4 (316) DIN 985 - Metric Coarse

Marine Grade Stainless Steel Nylon Insert Hex Lock Nuts, A4

USD 1.03
Metric Hex Flange Nuts, Zinc Plated Class 8 Alloy Steel DIN 6923 / ISO 4161

Metric Hex Flange Nuts, Zinc Plated Class 8 Alloy Steel DIN

USD 0.81
DIN 985 Nylon Insert Hex Lock Nuts - Zinc Plated Alloy Steel, Class 8 & 10 Cr+3 RoHS

DIN 985 Nylon Insert Hex Lock Nuts - Zinc Plated Alloy Steel

USD 0.73
All-Metal Hex Flange Prevailing Torque Lock nuts, Zinc Plated Alloy Steel, DIN 6927 Metric Class 8 Cr+3 RoHS

All-Metal Hex Flange Prevailing Torque Lock nuts, Zinc Plate

USD 1.72
Prevailing Torque Nylon Insert Hex Flange Lock Nuts, DIN 6926 Zinc Plated Alloy Steel, Class 8 Cr+3 RoHS

Prevailing Torque Nylon Insert Hex Flange Lock Nuts, DIN 692

USD 1.6
DIN 980V Hex Cone Prevailing Torque All-Metal Lock Nuts Stover, Zinc Plated Alloy Steel, Metric Class 10 Cr+3 RoHS

DIN 980V Hex Cone Prevailing Torque All-Metal Lock Nuts Stov

USD 1.27
Stainless Steel Acorn Domed Cap Hex Nuts, High Type, Metric DIN 1587

Stainless Steel Acorn Domed Cap Hex Nuts, High Type, Metric

USD 2.06
Hex Nuts, Metric DIN 934 Steel w/ plain finish, Class 10

Hex Nuts, Metric DIN 934 Steel w/ plain finish, Class 10

USD 0.75
Hex Nuts, Zinc Plated Alloy Steel, Metric DIN 934 Class 8 & 10 Cr+3 RoHS

Hex Nuts, Zinc Plated Alloy Steel, Metric DIN 934 Class 8 &

USD 0.68
Hex Coupling Nuts, Zinc Plated Steel, DIN 6334, Class 6 RoHS compliant

Hex Coupling Nuts, Zinc Plated Steel, DIN 6334, Class 6 RoHS

USD 2.93
Metric Hex Flange Nuts, Stainless Steel DIN 6923 / ISO 4161

Metric Hex Flange Nuts, Stainless Steel DIN 6923 / ISO 4161

USD 1.5
Hex Coupling Nuts, Stainless Steel A2 (18-8), DIN 6334

Hex Coupling Nuts, Stainless Steel A2 (18-8), DIN 6334

USD 6.96
Hex Serrated Flange Nuts, Stainless Steel A2 (18-8) DIN 6923 / ISO 4161

Hex Serrated Flange Nuts, Stainless Steel A2 (18-8) DIN 6923

USD 1.22
Metric Chamfered Square Nuts DIN 557, A2 Stainless Steel

Metric Chamfered Square Nuts DIN 557, A2 Stainless Steel

USD 1.25
U.S. / Inch - Nylon Insert Hex Locknuts, Steel with Black Oxide

U.S. / Inch - Nylon Insert Hex Locknuts, Steel with Black Ox

USD 1.27
1/4"-20 3-Prong T-Nut, Straight Barrel Zinc Plated Tee Nut, 5/16" or 7/16"

1/4"-20 3-Prong T-Nut, Straight Barrel Zinc Plated Tee Nut,

USD 1.66
1/4"-20 4-Prong T-Nut, Straight Barrel Zinc Plated Tee Nut

1/4"-20 4-Prong T-Nut, Straight Barrel Zinc Plated Tee Nut

USD 1.6
#10-32 x 5/16" 3-Prong T-Nut, Straight Barrel Zinc Plated Tee-Nut

#10-32 x 5/16" 3-Prong T-Nut, Straight Barrel Zinc Plated Te

USD 1.63
U.S. / Inch - Hex Nuts for Machine Screws, Steel with Black Oxide

U.S. / Inch - Hex Nuts for Machine Screws, Steel with Black

USD 0.72