M5-0.8 x 40 18-8 Stainless Steel Metric Button Head Socket Cap Screw helps secure thin sheet, plastic panels, and covers where the rounded head spreads contact. The domed head reduces projection while the internal hex drive keeps installation access centered from the top.

Food-equipment panels, washdown-adjacent covers, and stainless access plates often use this shape for a clean visible surface. Cold Headers has supplied specialty socket fasteners since 1962 and keeps metric button head sizes clearly identified. Button heads generally use a smaller hex key than same-diameter socket head cap screws, so confirm the listed key before assembly. Use the button head for exposed low-profile fastening, not as a direct replacement for a full-height socket head cap screw on strength-critical details.

Technical Highlights

  • Head Style: Button (low-profile dome), internal hex drive
  • Material: 18-8 Stainless Steel
  • Thread Size: M5-0.8 (coarse metric pitch)
  • Length: 40 mm
  • Head Diameter: 9.50 / 9.14 mm max/min
  • Head Height: 2.75 / 2.50 mm max/min
  • Hex Key Size: 3.0 mm
  • Dimensional Standard: ISO 7380-1

Call 773-775-7900 or email Sales@coldheaders.com for pricing, availability, or a quote.

Unit of Measure

Specifications

Brands

N/A Cold Headers, Inc.

Diameter

N/A M5-0.8

Length

N/A 40 mm

Material

N/A 18-8 Stainless Steel

Quantity

N/A 100

Package Type

N/A Box

Search

N/A SSMBHSCS.M5-0.8.40