Nuts Hex Din 439 1/2 Zinc M5 – M12 (Packs of 100)

R12,65

Key Benefits:

Thin-profile design ideal for tight spaces or locking purposes
Zinc finish for enhanced protection and professional look
Works seamlessly with standard wrenches
Manufactured to metric DIN/ISO standards for reliable interchangeability
Efficient bulk packaging—100 units per pack

Specifications:

Material: Carbon steel (Grade 04–05)
Finish: Zinc-plated (bright or blue-passivated)
Available Sizes & Approx. Dimensions (M5–M12)
- M5: ~8 mm flats × ~2.7 mm height
- M8: ~13 mm flats × ~4 mm height
- M10: ~17 mm flats × ~5 mm height
- M12: ~19 mm flats × ~6 mm height
Standard: DIN 439 (ISO 4035 compatible)
Unit Packaging: 100 nuts per bag

Use Cases:
Locking nuts in mechanical assemblies, tight-space installations, counter-nut applications for vibration resistance.

SKU: NHD 439 1/2 Zinc Category: Fastners Tags: DIN 439 Hex Jam Nuts Zinc-Plated, M5–M12, Packs of 100, Thin Profile

Description

Full Product Description: DIN 439 Zinc-Plated Hex (Jam) Nut – M5–M12 (Packs of 100)

Overview

Standard: Conforms to DIN 439 (withdrawn but compatible with ISO 4035) — a thin-profile “jam nut” ideal for space-constrained applications or locking assemblies.
Packaging: Supplied in packs of 100, facilitating easy stock management and bulk ordering.

Material & Finish

Material: Carbon steel (Grade 04–05) offers dependable strength and cost-efficiency.
Coating: Zinc-plated (bright or blue-passivated finish) for moderate corrosion protection and a sleek appearance.

Dimensions & Specifications

These jam nuts are approximately half the height of standard hex nuts—ideal when thickness is critical.
Exact measurements vary by size; typical figures include:

Thread Size	Width Across Flats (s)	Height (k)
M5	~8 mm	~2.7 mm
M8	~13 mm	~4 mm
M10	~17 mm	~5 mm
M12	~19 mm	~6 mm

(Data from Kramp, summarized)

Features & Applications

Space-Efficient: Compact dimensions make these ideal where standard nuts are too bulky.
Locking Capability: Often used as a secondary nut (“jam nut”) to secure assemblies and prevent loosening due to vibration.
Fast & Secure Installation: Standard hex shape for easy fitting with common wrenches.
Versatile Usage: Common in automotive assemblies, machine gearboxes, clamps, and applications requiring a low-profile locking nut.

Suggested Website Product Listing

Title:
DIN 439 Zinc-Plated Hex Jam Nut – Metric M5 to M12 (Pack of 100)

Description:
Our low-profile hex jam nuts conform to DIN 439 / ISO 4035 and are plated with zinc for corrosion resistance. Available in metric sizes M5, M6, M8, M10, and M12, sold in packs of 100 for streamlined bulk handling.