M16 X 80mm Socket Countersunk Screws (DIN 7991) - High Tensile Steel (10.9)


Key Features

  • Thread Size (T): M16 (16mm)
  • Overall Length (L): 80mm
  • Hexagon A/F (A): 10mm
  • Material: High Tensile Steel (10.9)
  • Finish: Natural
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M16 X 80mm Socket Countersunk Screws (DIN 7991) - High Tensile Steel (10.9) Technical Specification

M16 X 80mm Socket Countersunk Screws (DIN 7991) - High Tensile Steel (10.9) Drawing
Countersunk Angle (CA)90 degrees
Countersunk Length (H)8.8mm
General Tolerance+/- 0.13mm
Head Diameter [max] (D)33.60mm
Hexagon A/F (A)10mm
Hexagon Depth (P)5.3mm
Manufacturing StandardDIN 7991
MaterialHigh Tensile Steel (10.9)
Material SpecificationHigh Tensile Steel (10.9)
Metric or Imperial?Metric
Overall Length (L)80mm
Screw Thread Pitch2mm
Thread Size (T)M16 (16mm)

Product Certifications

Certificate of Conformity Included
Certificate of Conformity Included
RoHS Certified
RoHS Certified
REACH Certified
REACH Certified
Quality Approved

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M16 X 80mm Socket Countersunk Screws (DIN 7991) - High Tensile Steel (10.9) Description

The M16 X 80mm Socket Countersunk Screws (DIN 7991) - High Tensile Steel (10.9) has the following features:

  • M16 (16mm) Thread Size (T)
  • 10mm Hexagon A/F (A)
  • 5.3mm Hexagon Depth (P)
  • DIN 7991 Manufacturing Standard
  • 80mm Overall Length (L)
  • High Tensile Steel (10.9) Material
  • High Tensile Steel (10.9) Material Specification
  • 2mm Screw Thread Pitch
  • Natural Finish
  • +/- 0.13mm General Tolerance
  • Metric Metric or Imperial?
  • 33.60mm Head Diameter [max] (D)
  • 8.8mm Countersunk Length (H)
  • 90 degrees Countersunk Angle (CA)

Discover more about the Metric Socket Countersunk Screws range

Socket Countersunk Head Screws feature a countersunk head type, which allows them to sit flush with their target housing. Countersunk screws are designed to be used alongside pre-drilled countersunk recesses. The socket head of these components makes them ideal for use alongside Accu’s Hexagon Drive Bits or Allen Keys & Wrenches.

Metric Socket Countersunk Screw Kits

Accu ProKits, our high quality range of fastener kits, feature Socket Countersunk Screw Kits, available in A2 Stainless Steel and Marine Stainless Steel. With screw sizes M2, M2.5 & M3 (Micro) and M4, M5 & M6 (Small) as screw kit options, engineers and DIYers alike can be ready for their next project with our ultimate fastener kits.

Countersunk Captive Fasteners

Captive screw variants of Accu's Metric Countersunk Screws are available in A2 and A4 Stainless Steel, as well as thermoplastic PEEK materials. Our range of Socket Countersunk Captive Screws are designed to be used in conjunction with Captive Washers to prevent the screws from falling out of housing assemblies and conform to EU Safety regulations.


These fasteners can be manufactured from a range of materials, including A2, A4 and Bumax Stainless Steel, Titanium, Aluminium, 10.9 Hardened Steel and PEEK. Chemical Blackening is available on Stainless Steel screws, with Thread Locking Patches and various other finishes also available on request.

Security Screw Variant

For applications requiring a tamper-proof drive, this component is also available in a security variant, which can be found in Accu's Security Socket Countersunk Screws range. Vented socket countersunk screws are available through our custom manufacture service.

Metric Sizes

Accu’s Metric Socket Countersunk Screws are available in thread sizes ranging from M2 to M24, and lengths from 3.00mm up to 200.00mm.

Imperial Sizes

Imperial Countersunk Socket Screws are available in diameters from #0 to 7/8 inch. Lengths are available from 1/8 inch up to 7/8 inch.

Minimum Thread Length

In accordance with DIN standard 7991, Accu's Socket Countersunk Head Screws are manufactured to a minimum specified thread length - please contact us before placing your order if this dimension is critical to your application.

Shipping Information

Shipping Destinations:Worldwide.
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Weight: 0.15kg.

Component History

Product First Available:Thursday, December 7, 2017
Stock Last Updated:07:48 pm
Saturday, November 27, 2021
Specification Last Updated:Saturday, November 27, 2021

APC / Barcodes

APC (Accu Product Code):SSK-M16-80-10.9
EAN13 (International Article No.):5014196336190
ASIN (Amazon Stock Identification No.):ASIN not defined.