Knurled Thin Thumb Screws

The M5 x 20mm Knurled Thin Thumb Screws (DIN 653) – Black Stainless Steel (A1) has the following features:4mm Head Length (H), DIN 653 Manufacturing Standard, 20mm Length (L), Stainless Steel (A1) Material, Stainless Steel (A1) Material Specification, 0.8mm Pitch, Matte Black Finish, M5 (5mm) Thread Size, 5mm Shoulder Diameter, 20.42mm Head Diameter (D), Metric Metric or Imperial, 1mm Radius , +0/-0.84mm Head Diameter (D) Tolerance, +0/-0.3mm Head Length (H) Tolerance, +0/-0.18mm Shoulder Diameter Tolerance. Discover more about the Knurled Thin Thumb Screws – DIN 653 range. Thin Thumb Screws feature a knurled cylindrical head, and are designed to be easily adjusted by hand. The increased head diameter of a Thumb Screw allows these fasteners to be adjusted to a precise tightness by hand. DIN 465 Thumb Screws are also available with an unthreaded section below the head for captivation. The captive variant is available through our custom manufacture service. As an alternative product, Accu also offers a selection of Wing Screws, which are also designed to be adjusted by hand. Materials Components within this range are available in a number of specialist materials, including A1, A2 and A4 Stainless Steel, Brass, Phosphor Bronze, Nylon and PEEK. Additional features such as Chemical Blackening and Thread Locking Patches can also be applied to these products. Metric Thumb Screws Slotted Thumb Screws are manufactured according to DIN 465, and are available in metric diameters of between M2 and M10, and in lengths from 4.00mm up to 40.00mm. Additional sizes can be custom manufactured on request.

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1. Items must be returned within 30 days after the purchase date.
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