M3 x 45mm Cap Head Captive Screw (H2.5) (~DIN 912) | Marine Grade A4 Stainless Steel

Product code: HSC912CT-M3-45-A4
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M3 x 45mm Cap Head Captive Screw (H2.5) (~DIN 912) | Marine Grade A4 Stainless Steel
M3 x 45mm Cap Head Captive Screw (H2.5) (~DIN 912) | Marine Grade A4 Stainless Steel
M3 x 45mm Cap Head Captive Screw (H2.5) (~DIN 912) | Marine Grade A4 Stainless Steel
M3 x 45mm Cap Head Captive Screw (H2.5) (~DIN 912) | Marine Grade A4 Stainless Steel
M3 x 45mm Cap Head Captive Screw (H2.5) (~DIN 912) | Marine Grade A4 Stainless Steel
M3 x 45mm Cap Head Captive Screw (H2.5) (~DIN 912) | Marine Grade A4 Stainless Steel
Quantity
Unit Price
(ex. VAT)
Unit Price
(inc. VAT)
1 - 49 £9.95 £11.94
50 - 99 £8.84 £10.61
100 - 249 £7.96 £9.55
250 - 499 £7.23 £8.68
500 - 999 £6.63 £7.96
1000 + £5.68 £6.82

£11.94 / each


Up to 120 units
Available
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120 + units
Available for production
Average production time 14 + days.
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Product Specification
Thread Size M3
Pitch 0.50mm
Length 45mm
Captive Diameter 2.2mm
Threaded Length 6.0mm
Drive H2.5
Head Diameter 5.5mm
Head Height 3.0mm
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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M3 x 45mm Captive Socket Cap Head Screw | Similar to DIN 912 | A4 Stainless Steel

Made for repeat-access assemblies, this M3 x 45mm socket head captive screw uses a reduced 2.2mm section between the threaded portion and head area. When paired with a compatible captive feature, this allows the fixing to remain with the panel after disengaging from the mating thread. 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

  • Machinery Guards: Keeps compatible screws attached to removable guards during inspection, adjustment and maintenance.
  • Control Cabinets: Retains panel fixings on electrical and automation enclosures that require repeated access.
  • Equipment Covers: Supports serviceable covers where loose screws could be dropped inside machinery or misplaced.
  • Maintenance Panels: Helps keep fastening hardware associated with access panels during routine servicing.

M3 x 45mm Captive Socket Cap Head Screw Dimensions

  • Thread Size: M3
  • Length: 45mm
  • Threaded Length: 6.0mm
  • Captive Diameter: 2.2mm
  • Head Diameter: 5.5mm
  • Head Height: 3.0mm
  • Drive: H2.5
  • Pitch: 0.50mm
  • Standard: Similar to DIN 912
  • Material: A4 Stainless Steel

Key Benefits

  • A4 Stainless Steel construction provides the specified stainless steel grade and corrosion resistance.
  • M3 thread size with 45mm overall length provides the primary screw dimensions.
  • 5.5mm head diameter gives the stated DIN 912-style cap head width.
  • H2.5 hex socket drive provides positive engagement with a matching driver or key.

Compare more sizes in our Captive Socket Cap Head Screws range. If a cap head is not the right profile, see our full Captive Screws range where we also stock countersunk captive screw options. If you are unsure which length or captive diameter suits your panel, contact our team on 01233 713581.

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Fri 8.30 am - 3.30 pm
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