M4 x 8mm socket set screw with flat point in A2 stainless steel to ISO 4026. Used as a grub screw to lock shafts, collars, and couplings in position without a protruding head. A2 (304 grade) gives good corrosion resistance for indoor and non-coastal outdoor use. Free next-day UK delivery on orders over £50.
  • M4 x 8mm socket set screw A2 stainless ISO 4026
  • ISO 4026 socket set screw M4 x 8mm A2 stainless steel, side profile
  • Internal hex set screw detail - M4 x 8mm A2 stainless ISO 4026
  • Simfix product label - 913A204008PK10-SIM
  • Simfix product label - 913A204008PK50-SIM
M4 x 8mm socket set screw A2 stainless ISO 4026
ISO 4026 socket set screw M4 x 8mm A2 stainless steel, side profile
Internal hex set screw detail - M4 x 8mm A2 stainless ISO 4026
Simfix product label - 913A204008PK10-SIM
Simfix product label - 913A204008PK50-SIM

Simfix

Socket Set Flat Point Screw ISO 4026 A2 Stainless Steel (M4 X 8)

SKU 913A204008PK10-SIM
£2.28
Pack size:
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M4 x 8mm socket set screw with flat point in A2 stainless steel to ISO 4026. Used as a grub screw to lock shafts, collars, and couplings in position without a protruding head. A2 (304 grade) gives good corrosion resistance for indoor and non-coastal outdoor use. Free next-day UK delivery on orders over £50.
£2.28
M4 x 8mm socket set screw A2 stainless ISO 4026 ISO 4026 socket set screw M4 x 8mm A2 stainless steel, side profile Internal hex set screw detail - M4 x 8mm A2 stainless ISO 4026 Simfix product label - 913A204008PK10-SIM Simfix product label - 913A204008PK50-SIM
M4 x 8mm socket set screw A2 stainless ISO 4026 ISO 4026 socket set screw M4 x 8mm A2 stainless steel, side profile Internal hex set screw detail - M4 x 8mm A2 stainless ISO 4026 Simfix product label - 913A204008PK10-SIM Simfix product label - 913A204008PK50-SIM

This M4 x 8mm socket set screw with flat point is manufactured to ISO 4026 in A2 stainless steel (304 grade). ISO 4026 specifies a headless set screw driven entirely below the surface using a hex key. The flat-point tip bears directly against the shaft surface without biting in, distributing the holding force across a small contact area and making it suitable where the shaft surface must remain undamaged or where the assembly will need future disassembly. Used as a grub screw to lock shafts, collars, and couplings in position.

Typical applications

  • Shaft locking and component retention in mechanical assemblies
  • Collar, coupling, and hub securing in workshop machinery
  • Grub screw applications where protruding fastener ends are not acceptable
  • Light engineering, instrumentation, and precision assembly work

Available in packs of 10 to 50, with free next-day UK delivery on orders over £50 and 30-day no-quibble returns. For coastal, marine, or chloride-rich environments, Simfix A4 (316 grade) equivalents are available.

Fastener styleSocket set screw with flat point
StandardISO 4026
MaterialA2 stainless steel (304)
Property classA2-21H
Thread sizeM4
Thread pitch0.7 mm (coarse)
Length8 mm
Head typeHeadless
Drive typeHex socket (Allen)
Surface finishPlain (no plating)
HS commodity code7318153590
Recommended useWorkshop

RoHS and REACH compliant.

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