M4 Low blind cap nuts DIN917 stainless 10 pcs.
Low blind cap nuts M4 DIN 917 in stainless steel. Pitch 0,7 mm, tolerance 6H; height 5,2–5,5 mm, spanner 7 mm, hole depth t 4,16–4,64 mm. Catalogue design of class 50; material A1 or A2 depending on delivery. Price for 10 pieces.

Low blind cap nuts M4 DIN 917 — 10 pieces
Low hexagon nut with a closed end and blind threaded hole. The rounded top lies directly above the spanner portion. The cap covers the screw tip provided the protruding thread length is selected correctly.
Technical specifications
- Dimensional reference: DIN 917
- Catalogue association: PN 82182
- Nut type: Low hexagon cap nut
- Nut construction: Low closed cap; blind threaded hole
- Female thread d: M4
- Thread pitch P: 0,7 mm
- Thread direction: Right-hand
- Thread tolerance: 6H
- Thread standard according to the catalogue: DIN 13-15
- Overall height h — nominal and maximum: 5,5 mm
- Overall height h — minimum: 5,2 mm
- Hole depth t — minimum according to diagram: 4,16 mm
- Hole depth t — maximum according to diagram: 4,64 mm
- Width across flats s: 7 mm
- Material: Stainless steel
- Material group according to catalogue offer: A1 or A2, depending on delivery
- Property class: 50 (catalogue variant designation)
- Mechanical properties standard: ISO 3506-2 (catalogue reference)
- Coating: Without additional coating
- Product grade according to the catalogue: A
- Tolerance standard according to the catalogue: ISO 4759-1
- Quantity per pack: 10 pcs.
- Sales unit: pack
Dimensions and standard references are catalogue data, without declaring test results for the specific batch. The catalogue design provides for A1 or A2 stainless steel depending on delivery. This offer does not guarantee group A2 exclusively.

Material and design
Stainless steel without additional coating, catalogue property class 50. A1 and A2 designate material groups; the number 50 denotes a property class, not a hardness scale. The low closed cap does not declare sealing or self-locking functionality.

Diagram dimensions and references:
d — female thread M4; pitch P = 0,7 mm, tolerance 6H, right-hand.
h — overall height from 5,2 to 5,5 mm; nominal and maximum value 5,5 mm.
t — hole depth according to diagram: from 4,16 to 4,64 mm.
s — spanner size in the described catalogue variant: 7 mm.
Our own diagram shows a half-section and axial view of the low nut, using only lines and references d, h, t, s. It is a family illustration and catalogue diagram, not production documentation.
Scope of delivery and selection
The price includes 10 stainless low blind cap nuts M4 DIN 917. The product and neutral carton illustrations are indicative; the number of items in front of the carton does not specify delivery quantity.
The joint requires thread M4 with 0,7 mm pitch. Select the protruding screw length for the actual hole depth so the screw tip does not bottom against the closure before proper clamping is achieved. Height h and depth t are different dimensions.
Frequently asked questions
How many pieces does the price include?
10 nuts M4 DIN 917.
What thread and spanner size does this variant have?
Thread M4 with 0,7 mm pitch, tolerance 6H, right-hand; catalogue spanner size 7 mm.
Does the screw pass through the nut?
No. The hole is blind. According to the table, depth t is 4,16–4,64 mm and overall height h 5,2–5,5 mm.
Is the material always A2?
No. For this catalogue design, A1 or A2 stainless steel is permitted depending on delivery.
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Sales unitpack
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MaterialStainless steel
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CoatingWithout additional coating
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Source reference9733458874
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Thread directionRight-hand
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Quantity per pack10 pcs
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Wrench size s7 mm
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Thread pitch P0,7 mm
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Thread tolerance6H
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Internal thread dM4
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Nut typeHexagon cap nut, thin type
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Dimensional referenceDIN 917
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Mechanical property class50 (catalogue variant designation)
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Mechanical properties standardISO 3506-2 (catalogue reference)
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Catalogue linkPN 82182
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Nut designClosed low cap; blind threaded hole
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Thread standard according to catalogueDIN 13-15
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Overall height h — nominal and maximum5,5 mm
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Tolerance standard according to catalogueISO 4759-1
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Overall height h — minimum5,2 mm
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Hole depth t — minimum according to diagram4,16 mm
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Hole depth t — maximum according to diagram4,64 mm
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Material group according to catalogue offerA1 or A2, depending on the delivery
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Accuracy class according to catalogueA
1. Eye protection:
– Always wear safety goggles or a face shield to protect your eyes from sparks, particles and metal fragments.
2. Hearing protection:
– When working in a noisy environment, use ear defenders or earplugs to prevent hearing damage.
3. Respiratory protection:
– When working in dusty surroundings or in the presence of fumes, wear a filtering mask or an appropriate respirator.
– Ensure proper ventilation of the workstation.
4. Hand and skin safety:
– Use protective gloves that protect against mechanical injuries and chemicals.
– Where necessary, use protective creams to prevent irritation and dry skin.
5. Work clothing:
– Work in protective clothing resistant to sparks and splashes.
– Avoid loose clothing, jewellery and loose hair near machinery.
6. Fire risk:
– Keep the workstation free of flammable materials (e.g. paper, fabrics and chemicals).
– Keep a serviceable fire extinguisher close at hand and know how to use it.
7. Electrical hazards:
– Check the condition of cables and electrical equipment before use.
– Do not use electrical devices in damp conditions.
– Disconnect equipment from the power supply during maintenance or repairs.
8. Use of machinery and tools:
– Regularly inspect the technical condition of machines and tools.
– Use equipment in accordance with the manufacturer's instructions.
– Blades and tools should be maintained regularly and kept in good condition.
– Machines should be fitted with appropriate guards and protective devices.
9. Handling materials:
– Use handling equipment to move heavy components.
– Lift and carry using ergonomic practices to avoid injury.
10. Working with chemicals:
– Store chemicals in labelled, safe containers.
– Use substances in accordance with the manufacturer's instructions and occupational health and safety rules.
– Ensure air circulation when using chemicals.
Other important rules:
– Keep the workstation clean and tidy.
– Ensure adequate lighting in the working area.
– Provide occupational health and safety training.
– Carry out regular safety audits and comply with current regulations.

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