M20 Self-locking nuts DIN 985 class 8 white zinc-plated 50 pcs.

Self-locking nuts DIN 985 M20 — 50 pieces

Low hexagon nut with a non-metallic insert in the body's round end. The insert increases rotational resistance on the thread, reducing spontaneous loosening of the joint. Design: steel of class 8, white zinc plating.

Technical specifications

• Product type: Low self-locking hexagon nut
• Standard: DIN 985
• Material: Steel
• Locking element: Non-metallic polyamide insert
• Thread diameter: M20
• Thread pitch: 2,5 mm
• Thread type: Metric coarse
• Width across flats s: 30 mm
• Coating: White zinc plating (oc. B)
• Property class: 8
• Catalogue references: ISO 10511 / PN 82175
• Thread tolerance: 6H
• Thread standards: DIN 13-12 / DIN 13-15
• Overall height h: 18,7–20 mm; nominal and maximum 20 mm
• Hexagon portion height m: min. 14 mm
• Product grade: B — according to the catalogue table
• Manufacturing tolerances — reference: ISO 4759-1
• Mechanical properties — reference: DIN 267-4
• Quantity per pack: 50 pcs.
• Sales unit: pack
• Mass of the full pack: 2,79 kg

Design and selection

Select diameter, thread pitch and joint requirements for the application. Related standard designations are catalogue references for the family and do not declare identical requirements across the individual standards or constitute a batch test result.

Diagram dimensions and references:

d — thread M20, pitch 2,5 mm, tolerance 6H.

h — overall height: 18,7–20 mm; nominal and maximum value 20 mm.

m — hexagon portion height: minimum 14 mm.

s — hexagon width across flats: 30 mm.

Our own diagram represents the catalogue family and dimensional references, not production documentation. The product and neutral carton illustrations are indicative; the offer specifies exact size and quantity. The illustrated insert colour does not specify the plastic grade or a separate commercial feature.

Scope of delivery

The price includes 50 M20 DIN 985 nuts, steel of class 8, white zinc-plated.

The mass of this exact full pack is 2,79 kg; it is for the entire pack, not one nut.

Frequently asked questions

How many pieces does the price include?

50 M20 nuts.

What thread and spanner size does this variant have?

Thread M20×2,5, spanner size 30 mm.

How does the locking feature work?

The non-metallic insert increases rotational resistance on the thread. Selection and installation should meet the requirements of the entire joint.

What is the nut height?

Overall height h is 18,7–20 mm; minimum hexagon portion height m is 14 mm.