M4 x 16mm Slotted High Thumb Screws (DIN 465) - A1 Stainless Steel


Key Features

  • M4 Metric Thread Size (4mm)
  • 3 Year Extended Warranty.
  • Free Technical Support From Our Engineers.
  • Custom Dimensions Available Through Our Custom Manufacture Service.
  • Thread Size (T): M4 (4mm)
View Full Technical Specification.

Available In Other Materials & Finishes

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M4 x 16mm Slotted High Thumb Screws (DIN 465) - A1 Stainless Steel Technical Specification

M4 x 16mm Slotted High Thumb Screws (DIN 465) - A1 Stainless Steel Drawing
Head Diameter (D)16mm
Head Length (H)9.5mm
Knurled Head Length (K)3.5mm
Length (L)16mm
Manufacturing StandardDIN 465
Metric or Imperial?Metric
Screw MaterialStainless Steel (A1)
Screw Material SpecificationStainless Steel (A1)
Shoulder Diameter (d)8mm
Slot Depth (P)2.2mm
Slot Width (N)1mm
Thread Size (T)M4 (4mm)

Product Certifications

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

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M4 x 16mm Slotted High Thumb Screws (DIN 465) - A1 Stainless Steel Description

The M4 x 16mm Slotted High Thumb Screws (DIN 465) - A1 Stainless Steel has the following features:

  • M4 (4mm) Thread Size (T)
  • 9.5mm Head Length (H)
  • DIN 465 Manufacturing Standard
  • 16mm Length (L)
  • 2.2mm Slot Depth (P)
  • Stainless Steel (A1) Screw Material
  • 1mm Slot Width (N)
  • 0.7mm Pitch
  • Stainless Steel (A1) Screw Material Specification
  • 3.5mm Knurled Head Length (K)
  • Natural Finish
  • Metric Metric or Imperial?
  • 16mm Head Diameter (D)
  • 8mm Shoulder Diameter (d)

Discover more about the Slotted High Thumb Screws - DIN 465 range.

Slotted High Thumb Screws feature a knurled cylindrical head, and are designed to be easily adjusted by hand. The increased head diameter of a Knurled Thumb Screw allows these fasteners to be adjusted to a precise tightness by hand. 

The addition of a slotted drive also makes these components suitable for use with Accu’s Slotted Drive Bits and Slotted Screwdrivers.

DIN 465 Thumb Screws are also available with an unthreaded section below the head for captivation. The captive variant of this product can be found in Accu's Slotted Captive Thumb Screw range.

As an alternative product, Accu also offers a selection of Wing Screws, which are also designed to be adjusted by hand.


Components within this range are available in a number of specialist materials, including A1, A2 and A4 Stainless Steel, Brass, Phosphor Bronze and PEEK. Additional features such as Chemical Blackening and Thread Locking Patches can also be applied to these products.

Metric Slotted Thumb Screws

Slotted Thumb Screws are manufactured according to DIN 465, and are available in metric diameters of between M3 and M4, and in lengths from 6.00mm up to 20.00mm. Additional sizes can be custom manufactured on request.

Shipping Information

Shipping Destinations:Worldwide.
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Weight Band (100 items):Between 0.5kg and 1kg. Add to cart to calculate exact weights.

Component History

Product First Available:Sunday, June 28, 2015
Stock Last Updated:12:21 pm
Saturday, January 22, 2022
Specification Last Updated:Saturday, January 22, 2022

APC / Barcodes

APC (Accu Product Code):SFT-M4-16-A1
EAN13 (International Article No.):5054328110281
ASIN (Amazon Stock Identification No.):ASIN not defined.