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Seasonal Pick M4-0.7 Iso 14581 Torx Flat-head Machine Screws, Black Oxide – Class 8.8 Heat-treated Steel | Bulk Equipment [EZwKGdor]

$62.99 $201.99 -69%

Monster Overview:Fix your project right the first time with M4-0.7 ISO 14581 6-Lobe (Torx) Flat-Head Machine Screws in heat-treated Class 8.8 steel. Engineered to reach ≈ 116 ksi (800 MPa) tensile strength, these full-thread screws deliver rugged per

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Seasonal Pick M4-0.7 Iso 14581 Torx Flat-head Machine Screws, Black Oxide – Class 8.8 Heat-treated Steel | Bulk Equipment [EZwKGdor]

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Monster Overview:

Fix your project right the first time with M4-0.7 ISO 14581 6-Lobe (Torx) Flat-Head Machine Screws in heat-treated Class 8.8 steel. Engineered to reach ≈ 116 ksi (800 MPa) tensile strength, these full-thread screws deliver rugged performance plus a sleek Black Oxide & Oil finish for mild corrosion resistance and low-glare appearance. Perfect for industrial, automotive, and machinery applications requiring flush mounting and high clamp loads.

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

Monster Features:

  • High Strength: Heat-treated Class 8.8 carbon steel (≈ 116 ksi tensile, 92 ksi yield) for reliable, heavy-duty clamping.
  • Finish: Black Oxide & Oil (RoHS-compliant) adds mild corrosion protection and a clean, matte look.
  • Drive: Internal 6-lobe (Torx T20) resists cam-out and transfers higher torque than Phillips or slotted drives.
  • Head Style: 90° countersunk flat head sits flush for snag-free, professional assemblies.

Monster Specifications:

  • Diameter × Pitch: M4 × 0.7 mm
  • Length: Available in multiple lengths — please select from the drop-down menu above.
  • Thread: Full thread
  • Standard: ISO 14581
  • Material: Heat-treated Class 8.8 medium-carbon alloy steel
  • Finish: Black Oxide & Oil
    (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 M4 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 24, 2026

Absolutely no complaints!

A very high-quality and great online purchase.

- Jane L..

January 24, 2026

Absolutely no complaints!

The quality and the design are phenomenal.

- Leilani G..

January 24, 2026

Absolutely no complaints!

I'm so pleased with this really great item.

- Lois Z..

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