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  • Metric Fasteners
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      • Button Head Screws
      • Flat Head (Countersunk) Screws
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    • Machine Screws
      • Phillips Pan Head
      • Phillips Flat Head
    • Cable Ties
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  • U.S. / Inch Fasteners
    • Socket Screws
      • Button Head Screws
      • Flat Head (Countersunk)
      • Socket Head Cap Screws
      • Low Head Socket Cap
      • Set Screws
    • Hex Cap Screws
    • L9 Fasteners - Heavy-Duty / Made In USA
    • Machine Screws
      • Phillips Pan Head
      • Phillips Flat Head
    • Carriage Bolts
    • Self-Tapping Sheet Metal screws
      • Pan Head Sheet Metal Screws
      • Flat Head Sheet Metal Screws
    • Self-Drilling TEK Sheet Metal Screws
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      • Hex Washer Head TEK Screws
      • Hex Washer Head TEK Screws w/ Bonded Washer
      • EPDM Bonded Sealing Washers
    • Wood / Deck Screws
      • Stainless - Flat Head Type 17 w/ Nibs
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      • Carriage Bolts
      • Hex Lag Screws / Lag Bolts
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      • Bits
    • Hex Lag Screws / Lag Bolts
    • Nuts
      • Hex Nuts
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      • Flange Nuts
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      • Wing Nuts
      • Threaded Inserts
    • Washers
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      • Structural Washers
      • Split Lock Washer
    • Rivets
    • Cable Ties
    • Hex Keys / Bits
    • Work Gloves
  • Sheet Metal & Construction Screws
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      • Phillips Pan Head TEK Screws
      • HWH (Hex Washer Head) TEK Screws
      • HWH w/ Bonded Washer
      • Magnetic Nutsetters
    • Self-Tapping Screws
      • Flat Head Screws
      • Phillips Pan Head
      • Atlas - Metal-to-Wood roofing screws
    • Drywall Screws
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    • Concrete Anchors
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    • Boat Lift Rigging
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    • - TEK Screw Info.
      • TEK Screw installation pointers
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  1. Home
  2. All collections

All collections

316 Stainless Steel Screws nuts and bolts

A4 (316) Marine Grade Stainless Steel, Screws, Nuts and Washers

Button Head Socket Cap Screws

All Button Socket Caps

All Construction Fasteners -

Metric Fender Washer - Stainless Steel DIN 9021, 18-8 / A2 - Monster Bolts

All Fender Washers - US and Metric

MonsterBolts entire Metric Fastener Catalog

All Metric Fasteners

MonsterBolts | Machine Screws entire line

All Metric Machine Screws

metric nuts and locknuts

All Metric Nuts and Locking Nuts

US or Inch sized Nuts and Washers in both Steel and Stainless.  Sold by MonsterBolts

All Metric Nuts and Washers

all metric Socket products

All Metric Socket Fasteners

All Metric Washers

All Metric Washers

MonsterBolts Sheet metal screws

All Sheet metal screws

Socket Cap screws

All Socket Caps

Black #10-24 Cup point socket set screws.

All Socket Set Screws

All Stainless Steel A2 (18-8), Screws, Nuts and Washers

All Stainless Steel A2 (18-8), Screws, Nuts and Washers

Link to all our US sized fasteners in one place including bolts, nuts, washers, sheet metal screws.

All US / Inch Fasteners

US and Metric Flat Head Socket Cap screws

All US and Metric Flat Head Socket Cap Screws

All Zinc Fasteners

All Zinc Fasteners

Allen or Hex Keys used for Socket Cap Products.  Made from Alloy Steel

Allen Wrenches / Hex Keys - Monster Bolts

Wedge Anchors for concrete or masonry surfaces. Group shown on white background.

Anchoring Products

Anodized Titanium

Anodized Titanium

Monster Bolts, Atlas Fasteners Wood Ultimate screws

Atlas Fasteners - Metal-to-Wood Roofing Screws

B-Stock or Discontinued items

M3 Button Head Socket Cap screws, 12.9 Alloy Steel w/ Black Oxide - Monster Bolts

Best Selling Products

Black Bolts, screws, nuts and washers. US and Metric sizes.

Black Fasteners

Blind Rivets

Boat Lift Drive Pipe Bolts, Axle Bolts & 4" Aluminum Sheaves

BULK A4 (316) Marine Grade Stainless Steel, Screws, Nuts and Washers

BULK A4 (316) Marine Grade Stainless Steel, Screws, Nuts and Washers

Bulk Carriage Bolts – Durable, Cost-Effective Fasteners

Bulk Drywall Screws | Collated & Standard Packs for Contractors

Bulk L9 Ultra High-Strength Fasteners – Hex Bolts, Nuts, and Washers

Bulk Metric Hex Bolts / Flange Bolts

Bulk Metric Machine Screws

Bulk Metric Nuts

M1.6 Socket Head Cap screws, Class 12.9 Alloy Steel w/ Black Oxide - Monster Bolts

Bulk Metric Socket Screws - Button, Flat, Socket Cap and Set Screws

Bulk Metric Washers

Bulk Sheet Metal Screws | High-Volume Fasteners for Large Projects

Bulk US / Inch Hex Bolts

Bulk US / Inch Hex Lag Bolts

Bulk US / Inch Machine Screws

Bulk US / Inch Nuts

Black #0-80 Button Head Socket Cap screws in increasing lengths on white background.

Bulk US / Inch Socket Screws – Socket Cap, Button, Flat Head and Set Screws

Bulk US / Inch Washers

Bulk Wholesale and B2B Deeply Discounted Pricing

Bulk Wholesale and B2B Deeply Discounted Pricing

Metric Stainless Steel Button Head Socket Cap Screws, ISO 7380 by MonsterBolts online Fasteners

Button Head Socket Cap Screws - Stainless & 12.9 Alloy

Butt Connectors | Crimp and Seal electrical butt connectors, MonsterBolts, Krimpa-Seal OptiSeal

Crimp and Seal Electrical Butt Connectors

Sealed Electrical Connectors | MonsterBolts and NSPA Krimpa-Seal, OptiSeal lines

Crimp and Seal Electrical Connectors

Ring Terminals | Crimp and Seal electrical Connectors NSPA KrimpaSeal OptiSeal

Crimp and Seal Electrical Ring terminal Connectors

SES Krimpa-Seal Sealed Fully Insulated Female Quick Slide, Slip on Crimp Connector, 16-14 AWG, 2 Hump - Monster Bolts

Crimp and Seal Slip-On Electrical Quick Disconnects

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