Description
ISO 4017 Hexagon Head Screw M6x55-A4 — BOLTON SKU 56545.
About the ISO 4017 Hexagon Head Screw M6x55-A4
The ISO 4017 Hexagon Head Screw M6x55-A4 in this listing is the long 55 mm size of the fully threaded A4 stainless M6 range. It carries an M6 × 1.0 coarse thread over its whole length and follows the ISO 4017 hexagon-head dimensions for M6 — 10 mm across flats with a 4 mm nominal head height. Long fully threaded screws are the practical answer where grip length varies or where a nut must be positioned partway along the fastener, as in clamped saddles, adjustable feet and built-up bracket stacks; the thread is always where the nut needs it. As with the other A4 items in this family, the 316-type austenitic grade resists chloride pitting in coastal and industrial atmospheres, allowing the screw to be used bare on exposed installations without a protective coating to maintain.
Key specifications
| Standard | ISO 4017 |
|---|---|
| Thread | M6, coarse (1.0 mm pitch) |
| Nominal length | 55 mm |
| Thread coverage | Fully threaded (per ISO 4017) |
| Width across flats | 10 mm |
| Head height | 4 mm nominal |
| Material | A4 (316-type) austenitic stainless steel |
Typical applications
Applications include clamped assemblies whose grip changes with adjustment — saddles, adjustable brackets, levelling hardware — and deep bolted stacks on outdoor equipment. The A4 grade keeps such joints serviceable in salt-laden air.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).
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