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    • L9 Fasteners - Heavy-Duty / Made In USA
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      • Structural Washers
      • Split Lock Washer
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    • Self-Drilling Screws
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      • 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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    • - TEK Screw Info.
      • TEK Screw installation pointers
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  2. All collections

All collections

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

Step-Down Butt Connectors | Crimp and Seal Butt Connectors, Optiseal KrimpaSeal

Crimp and Seal Step-Down Electrical Butt Connectors

deck screws and wood screws, Type 17 point

Deck / Wood Screws

Decking and Outdoor wood screws

Decking and Outdoor wood screws

Drywall Screws and Pan Framing Head Screws

Drywall Screws - Hanging Drywall / Metal Track & Stud Framing

E-Z Lok Threaded Inserts for Wood and Plastic - E-Z Press, E-Z Sonic, E-Z Hex

E-Z Lok Threaded Inserts for Wood and Plastic - E-Z Press, E-Z Sonic, E-Z Hex

#14 (1/4") Indent HWH w Bonded EPDM Sealing Washer, Zinc #3 Point BSD Self Drilling Proferred TEK Screws - Monster Bolts

EPDM Sealing washers for Sheet Metal Screws

Flange Nuts

Flange Nuts

#6 Square Drive Flat Head Type A Self-Tapping Sheet Metal Screws, Stainless Steel 18-8 - Monster Bolts

Flat Head Self-Tapping Screws (Inch) – Stainless Steel

Monster Bolts Flat Head Socket Cap Screws (Inch) — ASME B18.3, 82° countersunk, Allen drive, alloy steel black oxide & stainless

Flat Head Socket Cap Screws (Inch) – 82° Countersink

Flat Washers

Flat Washers

Black Guitar Locking Nut Screws - Floyd Rose Tremolo - Monster Bolts

Guitar Locking Nut and Tremolo Screws

Guitar Screws and upgrades for Tremolo and more

Guitar Replacement Screws and Tremolo parts

Guitar Saddle height adjustment screws available at Monster Bolts

Guitar Saddle Height Screws

Guitar Tremolo Springs

Guitar Tremolo Springs

Hex Bolts

Hex Bolts

Monster Bolts US Hex Cap Screws / Tap Bolts — Grade 8 black & zinc yellow, 18-8 stainless, and L9 USA-made zinc yellow

Hex Cap Screws / Tap Bolts (Inch) – Grade 8 & Stainless

Hex Cap Screws, Tap Bolts and Hex Lag Bolts

Hex Cap Screws, Tap Bolts and Hex Lag Bolts

Hex Lag Screws and Lag Bolts – Stainless and Zinc-Plated Heavy-Duty Wood-to-Metal Fasteners – Monster Bolts

Hex Lag Screws | Hex Lag Bolts - Monster Bolts fasteners

Hex Nuts

Hex Nuts

Ibanez Quest Mono-Tune bridge replacement screws – string lock, intonation, and saddle height screws for Q & QX headless guitars – Monster Bolts

Ibanez Quest parts for Headless Mono-Tune Bridge QX, Q

US or Inch Washers and Locking Washer products that Monster Bolts carries.

Inch - All Washer and Locking Washer products

All the US (Inch) washers that Monster Bolts carries.  Including Flat, Split Lock, Structural F436, Fender and EPDM sealing washers.

Inch - All Washers

Zinc Yellow grade 8 bolts, nuts and washers

Inch - All Zinc-Yellow Grade 8 Fasteners

MonsterBolts | US Inch Short Arm Hex Keys

Inch - Drill Bits, Hex Keys and Driver Bits

US / Inch - Fender Washers, Cr+3 Zinc Plated Steel - Monster Bolts

Inch - Fender Washers, Stainless Steel and Zinc

Stainless steel hex serrated flange nuts for US screws. Flange acts works like a built in washer to distribute force.

Inch - Flange Nuts

Inch Flat Washers in SAE, USS and structural F436.  Available in Steel, Stainless Steel, Zinc and Yellow Zinc options.

Inch - Flat Washers

Inch - Hex Machine screw nuts, Finished Hex Nuts

Inch - Hex Nuts

Inch - Nuts and Washers

Inch - Nuts and Washers

Nylon Insert lock nuts

Inch - Nylon Insert Locknut

Inch - Split Lock washers

Inch - Split Lock washers

Inch - 3 and 4 prong Tee Nuts

Inch - Tee Nuts

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

Low Head Socket Cap - Stainless & 10.9 Alloy

Low Head Socket Cap - Stainless & 10.9 Alloy

Monster Bolts Low Head Socket Cap Screws (Inch) — ASME B18.3, reduced head height, Allen drive, alloy steel black oxide & stainless

Low Head Socket Cap Screws (Inch)

M1.6 socket cap and Phillips pan head screws – metric precision hardware | Monster Bolts

M1.6 Screws – Socket Cap & Phillips Pan Head

M10 socket cap, button, flat socket, set screws, hex bolts, nuts and washers – metric fasteners | Monster Bolts

M10 Screws, Bolts, Nuts & Washers – Socket Cap (Button, Flat), Set & Phillips

M12 socket cap, button, and set screws with matching nuts and washers – metric fasteners | Monster Bolts

M12 Screws, Bolts, Nuts & Washers – Socket Cap, Button & Set Screws

M2 Screws – Socket Cap, Button, Flat (Phillips), Pan (Phillips) & Set

M2 Screws – Socket Cap, Button, Flat (Phillips), Pan (Phillips) & Set

M2.5 socket cap, button, Phillips pan/flat and set screws – metric hardware | Monster Bolts

M2.5 Screws – Socket Cap, Button, Pan (Phillips), Flat (Phillips) & Set

M3.5 Phillips pan head machine screws with matching metric nuts and washers | Monster Bolts

M3.5 Screws - Phillips Pan head screws, Nuts & Washers

M4 screws and bolts – socket cap, button, Phillips machine screws and hex bolts metric hardware | Monster Bolts

M4 Screws – Socket Cap, Button, Pan (Phillips), Flat (Phillips), Set & Hex Cap Bolts

M4 Screws – Socket Cap, Button, Pan (Phillips), Flat (Phillips), Set, Nuts & Washers

M4 Screws – Socket Cap, Button, Pan (Phillips), Flat (Phillips), Set, Nuts & Washers

M5 socket cap, low head, button, flat socket, set screws and hex cap bolts – metric hardware | Monster Bolts

M5 Screws – Socket Cap (Std, Low Head, Button, Flat), Set, Hex Cap Bolts & Phillips

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