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Summer Sale M3-0.5 Iso 14581 Torx Flat-head Machine Screws, 18-8 Stainless – Full Thread | Bulk (new) [J31qDzyK]

$40.99 $131.99 -69%

Monster Overview: Fix your project right the first time with M3-0.5 ISO 14581 6-Lobe (Torx) Flat-Head Machine Screws crafted from marine-grade 18-8 stainless steel. These full-thread countersunk screws deliver outstanding corrosion resistance, stren

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Summer Sale M3-0.5 Iso 14581 Torx Flat-head Machine Screws, 18-8 Stainless – Full Thread | Bulk (new) [J31qDzyK]

MonsterBolts Fasteners Monster Bolts Banner

Monster Overview:

Fix your project right the first time with M3-0.5 ISO 14581 6-Lobe (Torx) Flat-Head Machine Screws crafted from marine-grade 18-8 stainless steel. These full-thread countersunk screws deliver outstanding corrosion resistance, strength, and a flush, professional finish—perfect for electronics, outdoor gear, robotics, and precision machinery.

Monster Bolts backs every screw with rigorous quality control, rapid U.S. shipping, and customer-first support, making us the trusted source for professionals and DIYers alike.

Monster Features:

  • Corrosion Resistance: 18-8 (A2) stainless steel withstands moisture, chemicals, and salt spray.
  • Material Strength: Tensile strength ≈ 70 ksi—reliable yet easy to machine and install.
  • Finish: Natural stainless finish (RoHS-compliant) with low-glare appearance.
  • Drive: Internal 6-lobe (Torx T10) drive for superior strip-out resistance and high torque transfer.
  • Head Style: 90° countersunk flat head for a flush, snag-free fit.

Monster Specifications:

  • Diameter × Pitch: M3 × 0.5 mm
  • Length: Available in multiple lengths—please select from the drop-down menu above.
  • Thread: Full thread
  • Standard: ISO 14581
  • Material: 18-8 / A2 stainless steel
  • Finish: Natural stainless
    (RoHS Directive 2011/65/EU compliant)

More Monster Bolts:

Matching Nuts & Washers: Pair these screws with bulk metric nuts and bulk metric washers sized for M3 hardware.

Order Yours Today and Experience the Monster Bolts Difference!

Buy with confidence! Every order from Monster Bolts is backed by our commitment to quality, fast shipping, and customer satisfaction.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

A purchase I am very happy with.

- John K..

January 27, 2026

Absolutely no complaints!

It's a very well-made product, I am very pleased.

- Skylar P..

January 27, 2026

Absolutely no complaints!

This is a product that is of great quality and performance.

- Kai F..

Write a Review

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