Brass Nuts to DIN / ISO · Jamnagar, India

DIN 917 Brass Cap Nut (Low Form)

Hexagon domed cap nut, low form — machined in brass CW614N to standard and to your drawing.

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A DIN 917 nut is a low-form hexagon cap (dome) nut with a closed end that covers the bolt thread in a compact, shallow profile; it is the low counterpart to the high DIN 1587 acorn nut. Brassland machines it from free-cutting brass CW614N (CuZn39Pb3) — or lead-free CW724R — to the standard and to your drawing, as part of our brass nut programme.

DIN 917 brass cap nut (low form) — engineering drawing

DIN 917 — engineering drawing (Brassland). Plan view and section with dimension references.

Specification

StandardDIN 917
TypeHexagon domed cap nut, low form
ThreadM4–M16; larger on request
MaterialCW614N (CuZn39Pb3); lead-free CW724R on request
CertificateEN 10204 3.1 per shipment; 3.2 on request

Datasheet — dimensions to DIN 917

Thread dWidth A/F sAcross corners eTotal height h
M477.75.5
M588.87
M61011.19
M81314.412
M101617.814
M121820.016
M162426.820

Dimensions in mm to DIN 917. Widths across flats follow the current ISO series (M10/M12/M14 = 16/18/21 mm; older DIN editions used 17/19/22 mm). The shallow dome blends into the hex, so there is no separate dome diameter. Sizes and tolerances are made to your drawing on request.

Applications

Typical applications for the Brass Cap Nut (Low Form) include low-clearance capped bolt ends, appliance and white-goods trim, sanitary fittings with short threads, and light decorative hardware. As all parts are made to order, sizes, threads, plating and certification are tailored to your specification.

Related pages

Product
Brass Nuts Catalogue

All DIN/ISO nut types.

View →Material
CW614N (CuZn39Pb3)

Standard free-cutting brass datasheet.

View →Guide
Surface Finishes

Nickel, zinc and tin plating.

View →Industry
Plumbing & Water

Tap and mixer components.

View →Industry
Automotive

Chassis and vibration joints.

View →Blog
Top Brass Fittings

Industrial applications.

View →
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Other brass nuts in this range

ASME B18.2.2 Brass Hex Nuts & Jam Nuts (UNC/UNF) · ASME B18.6.3 Brass Machine Screw Nuts (UNC) · DIN 1587 Brass Acorn Cap Nut (High Form) · DIN 1804 Brass Slotted Round Nut · DIN 1816 Brass Cross-Hole Round Nut · DIN 439 Brass Thin Hex Nut · DIN 466 Brass Knurled Thumb Nut (High Form) · DIN 467 Brass Knurled Thumb Nut (Flat) · DIN 546 Brass Slotted Round Nut · DIN 547 Brass Two-Hole Round Nut · DIN 557 Brass Square Nut · DIN 6330 Brass High Hex Nut (1.5×d) · DIN 6334 Brass Coupling Nut (3×d) · DIN 6923 Brass Hex Flange Nut · DIN 934 Brass Hex Nut · DIN 935 Brass Castle (Slotted) Nut · DIN 936 Brass Thin Jam Nut · all brass nuts.

Frequently asked questions

What is the difference between DIN 917 and DIN 1587?

DIN 917 is the low / shallow cap nut; DIN 1587 is the tall acorn cap. Use DIN 917 where height is limited or the thread projection is short.

Does a DIN 917 cap nut lock the joint?

No — like all cap nuts it is protective and decorative, closing off the bolt end rather than locking it.

Is DIN 917 a blind nut?

Yes — it has a closed (blind) end, so the thread does not pass through.

When should I use a low DIN 917 instead of a high DIN 1587?

When installation height is restricted or only a short length of thread projects past the nut.

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