M8 x 30mm Captive Socket Cap Head Screw (~DIN 912) | A4 Stainless Steel

Product code: HSC912CT-M8-30-A4
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M8 x 30mm Captive Socket Cap Head Screw (~DIN 912) | A4 Stainless Steel
M8 x 30mm Captive Socket Cap Head Screw (~DIN 912) | A4 Stainless Steel
M8 x 30mm Captive Socket Cap Head Screw (~DIN 912) | A4 Stainless Steel
M8 x 30mm Captive Socket Cap Head Screw (~DIN 912) | A4 Stainless Steel
M8 x 30mm Captive Socket Cap Head Screw (~DIN 912) | A4 Stainless Steel
M8 x 30mm Captive Socket Cap Head Screw (~DIN 912) | A4 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 49 £3.60 £4.32
50 - 99 £3.20 £3.84
100 - 249 £2.88 £3.46
250 - 499 £2.62 £3.14
500 - 999 £2.40 £2.88
1000 + £2.06 £2.47

£4.32 / each


Average production time 14 + days.
Vital Parts - Here to make bulk ordering easy.

Product Specification
Thread Size M8
Pitch 1.25mm
Length 30mm
Captive Diameter 6.2mm
Threaded Length 16.0mm
Drive H6
Head Diameter 13.0mm
Head Height 8.0mm
Material A4 Stainless Steel
Standard Similar to DIN 912

Next Day or Standard Delivery available via DHL or Royal Mail.
Order by 4pm (UK) for same day dispatch, Monday to Thursday or 2pm Friday.

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01233 713581


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M8 x 30mm Captive Socket Cap Head Screw | Similar to DIN 912 | A4 Stainless Steel

For transport equipment, inspection panels and removable covers, this M8 x 30mm captive hex socket screw provides a retained fastening format that can reduce loose screws during servicing or repeated access. The H6 hex socket gives positive tool engagement while the 13.0mm head diameter and 8.0mm head height follow a DIN 912-style cap head geometry. A4 Stainless Steel provides enhanced corrosion resistance for suitable outdoor, washdown, coastal and marine applications where a higher level of environmental resistance is required.

What Are Captive Socket Cap Head Screws?

Socket Head Captive Screws provide positive hex-key drive engagement together with a retained fastening format. They are commonly specified for machinery, enclosures and serviceable equipment where panels need to be removed or opened regularly without losing the fasteners.

Common Applications

  • Industrial Enclosures: Provides a retained fastening point for covers and doors on suitable equipment housings.
  • Instrumentation: Keeps small fastening hardware attached to precision panels, test equipment and technical housings.
  • Automation Equipment: Supports repeat-access panels on machinery, control systems and production equipment.
  • Transport Equipment: Provides retained fixings for suitable removable covers and inspection panels.

M8 x 30mm Captive Socket Cap Head Screw Dimensions

  • Thread Size: M8
  • Length: 30mm
  • Threaded Length: 16.0mm
  • Captive Diameter: 6.2mm
  • Head Diameter: 13.0mm
  • Head Height: 8.0mm
  • Drive: H6
  • Pitch: 1.25mm
  • Standard: Similar to DIN 912
  • Material: A4 Stainless Steel

Key Benefits

  • 8.0mm head height provides the specified socket cap head profile.
  • 1.25mm metric pitch matches the stated thread specification.
  • Captive format can reduce dropped or misplaced fasteners during servicing when installed with a suitable retaining feature.
  • 16.0mm threaded length provides the portion that engages the mating internal thread.

View the full Cap Head Captive Screws range to compare thread sizes, lengths, drives and stainless steel grades. We also stock other styles in our Captive Screws range, including countersunk captive screws for applications where a flush head is preferred. If you need help selecting the correct retained fixing, call us on 01233 713581.

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