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DIN 916 cup point set screws factory

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DIN 916 cup point set screws factory

XZ Fastener manufactures DIN 916 cup point set screws for buyers who need headless socket fasteners with reliable shaft holding and compact installation. These screws are used to lock collars, gears, pulleys, knobs, hubs, fixtures, and adjustment parts onto shafts or mating components. The cup point bites into the contact surface, so point form, hardness, thread fit, and socket depth should be checked before bulk factory production. Material, strength class, finish, size range, carton layout, and inspection documents can be supplied according to order requirement. Buyers comparing related fastener products can send one complete purchasing list.

DIN 916 Cup Point Hex Socket Factory Supply
DIN 916 cup point set screws factory product illustration

Quick Specs

قياسيDIN 916 cup point set screws, hex socket, headless design
StrengthCommon alloy steel class 45H; stainless options by order
مادةAlloy steel, carbon steel, stainless steel A2 or A4
FinishBlack oxide, zinc plated, plain, stainless passivated, or other finish by request
تطبيقShaft locking, collars, gears, pulleys, hubs, fixtures, knobs, and adjustment assemblies

What Buyers Should Know Before Sourcing DIN 916 Cup Point Set Screws

DIN 916 set screws are compact, headless fasteners with an internal hex socket and cup point. The cup point creates holding force by pressing into the mating shaft or surface, so buyers should check point shape, thread fit, hardness, and socket engagement before confirming production. If your engineering team compares DIN and ISO references, the DIN and ISO fastener standards guide can help clarify standard naming and drawing references.

Set screws are small parts, but they can stop an assembly line when the socket strips, the point is wrong, or the material is not matched to the shaft. XZ Fastener can review DIN 916 set screws together with related high-strength fasteners when buyers need consistent material and strength control across a mechanical assembly.

Common Purchasing Descriptions

  • DIN 916 cup point set screws, hex socket, alloy steel 45H, black oxide.
  • DIN 916 socket set screws, cup point, metric thread, factory carton packing.
  • Stainless steel DIN 916 grub screws, A2 or A4, for corrosion-resistant assemblies.
  • Zinc plated DIN 916 cup point set screws for general industrial locking applications.
  • Combined purchasing lists may also include DIN 933 full thread hex bolts, Grade 8.8 carbon steel hex bolts, metric hex head bolts, zinc plated DIN 933 bolts, black oxide DIN 933 bolts, and hot dip galvanized DIN 933 bolts.

Detailed Specifications Table

عنصر Typical Supply Detail Buyer Notes
قياسي DIN 916 Confirm cup point set screw requirement against the drawing or assembly list.
Head Style Headless set screw Suitable where the fastener must sit below or level with the surrounding part.
Drive Internal hex socket Socket size and depth affect tightening torque and tool engagement.
نوع النقطة Cup point Designed to bite into the mating surface for holding shafts and collars.
Thread Metric full thread Check thread pitch and tolerance if the set screw is used with precision parts.
نطاق الحجم Common metric sizes such as M3 to M20 Actual range depends on material, finish, and order quantity.
مادة Alloy steel, carbon steel, stainless steel Alloy steel is common for higher holding strength; stainless steel is used for corrosion resistance.
إنهاء السطح Black oxide, zinc plated, plain, stainless passivated options Finish should match storage conditions, installation environment, and appearance needs.
Packing Bulk carton, inner bag, small box, pallet packing Small parts need clear size labels and controlled carton quantities.
Inspection Thread, socket, point form, hardness, finish, and packing checks Inspection documents are available upon request before shipment.

Material and Grade Explanation

Alloy steel DIN 916 cup point set screws are commonly supplied in class 45H for applications that require stronger clamping and point bite. This option is often used for shaft collars, gears, pulleys, hubs, and mechanical adjustment parts. Buyers should confirm the mating shaft material because a hard cup point can mark or indent the contact surface.

Stainless steel A2 is often selected for indoor equipment and mildly humid environments. A4 stainless steel may be considered where corrosion exposure is higher. When the order includes mating hardware, XZ Fastener can also review compatible industrial nuts and flat washers for the same purchasing plan.

Surface Finish Selection Guide

Black oxide is widely used for alloy steel DIN 916 set screws because it gives a dark finish and is common in machinery assemblies. Zinc plating may be selected for general industrial use where basic corrosion protection is required. Plain finish may be used when the buyer has a post-treatment process or controlled indoor storage.

For humid, outdoor, or chemical environments, stainless steel may be more suitable than coated carbon steel or alloy steel. If a shipment includes screws, bolts, nuts, and washers, XZ Fastener can review related coated fasteners to keep finish requirements consistent across the order.

Manufacturing and Quality Control

DIN 916 cup point set screws require careful control of thread rolling, socket forming, cup point geometry, heat treatment when required, surface finish, and packing. A set screw may look simple, but the socket and point carry most of the functional risk. If the socket is shallow, the tool may slip. If the cup point is not formed correctly, holding force may be reduced or the mating shaft may be damaged unevenly.

Common Control Points

  1. Confirm DIN 916 standard, diameter, length, thread pitch, socket size, and cup point requirement.
  2. Check socket depth and hex engagement to reduce tool stripping during installation.
  3. Review point shape and concentricity for stable contact with the mating shaft.
  4. Verify hardness or material requirement when higher holding force is required.
  5. Separate cartons by size, material, finish, lot number, and customer item code.

For special point form, unusual length, private packing, or drawing-based parts, buyers can review custom fasteners and send drawings for factory feasibility checking.

تطبيقات

Application Area Why DIN 916 Is Used Procurement Note
Shaft collars Cup point bites into the shaft surface to help hold position. Check shaft hardness and acceptable surface marking.
Gears and pulleys Headless design allows compact locking inside hubs and sleeves. Confirm socket size and tightening torque requirement.
Knobs and handles Set screw can secure the part without an external bolt head. Stainless steel may be considered for visible or humid applications.
Fixtures and tooling Cup point supports repeatable positioning and mechanical adjustment. Confirm length so the screw does not interfere with nearby components.
Machinery adjustment Small headless design fits into compact mechanical assemblies. Define hardness, finish, and inspection needs before production.

How to Get a Faster Quotation

A complete inquiry helps XZ Fastener confirm material, point form, thread requirement, finish, packing, and delivery details more efficiently. Please include the standard, diameter, length, material, strength class, finish, quantity, carton quantity, destination, and any inspection document request.

  • Example: DIN 916, M6 x 10, alloy steel 45H, cup point, black oxide.
  • Confirm whether the screw is used on a shaft, hub, collar, gear, or adjustment part.
  • Send drawings when socket depth, point geometry, thread tolerance, or hardness is controlled.
  • Provide carton marks, pallet requirements, inspection needs, and any split-size packing request.

For factory order review, buyers can contact XZ Fastener with the size list, finish, quantity, packaging, and inspection requirements.

أسئلة متكررة

What is a DIN 916 cup point set screw used for?

It is used to lock collars, gears, pulleys, hubs, knobs, fixtures, and adjustment parts onto shafts or mating components. The cup point presses into the contact surface to improve holding force.

What material is common for DIN 916 set screws?

Alloy steel class 45H is common for higher holding strength. Carbon steel and stainless steel A2 or A4 options can also be reviewed according to order requirement.

Is black oxide suitable for DIN 916 cup point set screws?

Black oxide is widely used for alloy steel set screws in indoor machinery applications. For humid or corrosive environments, stainless steel or another finish should be considered.

What information is needed for a DIN 916 factory quotation?

Please provide diameter, length, material, strength class, finish, quantity, packing method, destination, and inspection requirements. A drawing is helpful when socket depth or point geometry is controlled.

Can DIN 916 set screws damage the mating shaft?

The cup point is designed to bite into the contact surface, so it can leave a mark on softer shafts. Buyers should confirm whether shaft marking is acceptable for the application.

Can XZ Fastener supply DIN 916 screws with other fasteners?

Yes. DIN 916 set screws can be reviewed together with bolts, nuts, washers, and other standard fasteners for consolidated purchasing and coordinated packing.

Request DIN 916 Cup Point Set Screws from XZ Fastener

Send your size list, finish, quantity, packaging method, and inspection requirements. XZ Fastener can review DIN 916 cup point set screws together with related fasteners and provide factory supply details according to order requirement.

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