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Home/DIY & Tools/Hardware/Nails, Screws & Fasteners/Screws/Captive-Washer Screws
Accu - M4 x 40mm Cap Head Screws (DIN 912) - Marine Stainless Steel (A4) (Pack of 20) — image 1
Captive-Washer ScrewsAccu✓ In stock

Accu - M4 x 40mm Cap Head Screws (DIN 912) - Marine Stainless Steel (A4) (Pack of 20)

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$11.87
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About this item
  • USAGE: Metric Socket Cap Head Screws feature an internal socket drive that is designed for use with a Hex Key, otherwise known as an Allen Key. With the terms ‘socket’ and ‘allen’ being so interchangeable within engineering, this explains why these fasteners are also commonly referred to as Allen Key Bolts or Socket Screws.
  • MATERIAL: Socket Cap Screws within this range are available in a wide selection of materials, including metals ranging from A2, A4, A4-80, Duplex and Bumax Stainless Steel, 12.9 High Tensile Steel, Aluminium and Titanium.
  • KEY FEATURES: M4 Metric Thread Size (4mm), Length (L): 40mm, Socket Size (J): 3mm.
  • TRUSTED: Accu's range of Cap Head Screws are manufactured in accordance with industry standards DIN 912 and are REACH & RoHS Certified, assuring an award-winning experience to our customers all over the globe.
  • ABOUT ACCU: We're the new kind of component company. We’re here for the engineers, the innovators, the designers and the pioneers who are driving change. We blend cutting-edge technology with passionate people to deliver an award-winning experience to customers all over the globe. Forget the old way of buying components. Choose Accu and get Building Tomorrow.
Product details
Brand
Accu
Manufacturer
Accu
Colour
Marine Stainless Steel (A4)
Size
M4 x 40mm
Weight
0.00 kg
Part number
SSC-M4-40-A4-QTY20

Customer reviews

What customers say about Bigamart

10 Trustpilot reviews total, with 2 shown at a time.

Trustpilot
★★★★★
Excellent
4.5 average rating
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S
Sigalit
🇮🇱 · January 2026
★★★★★

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

V
Verified buyer
🇦🇺 · November 2025
★★★★★

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

Showing 1–2 of 10 reviews

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