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DIN 916 cup point set screws bulk order manufacturer

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DIN 916 cup point set screws bulk order manufacturer

XZ Fastener manufactures DIN 916 cup point set screws for bulk orders that need headless socket fasteners, stable shaft holding, and controlled batch packing. These screws 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, socket depth, and lot separation should be confirmed before production. Material, strength class, finish, carton layout, pallet method, and inspection documents can be supplied according to order requirement. Buyers comparing related fastener products can send one complete size list.

DIN 916 Cup Point Hex Socket Bulk Order Supply
DIN 916 cup point set screws bulk order manufacturer product illustration

Quick Specs

СтандартDIN 916 cup point set screws, hex socket, headless design
StrengthCommon alloy steel class 45H; stainless options by order
МатериалAlloy steel, carbon steel, stainless steel A2 or A4
FinishBlack oxide, zinc plated, plain, stainless passivated, or other finish by request
ПриложениеShaft 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 point creates holding force by pressing into the mating shaft or surface, so buyers should check point form, thread fit, hardness, and socket engagement before confirming a bulk order. If your engineering team compares DIN and ISO references, the DIN and ISO fastener standards guide can help clarify standard naming and drawing references.

For bulk manufacturing, size separation, lot tracking, and carton labels are important. A mixed carton or unclear label can slow assembly even when the screw itself is correct. XZ Fastener can review DIN 916 set screws together with related high-strength fasteners when buyers need consistent material, strength, and packing control across mechanical assembly items.

Common Purchasing Descriptions

  • DIN 916 cup point set screws, hex socket, alloy steel 45H, black oxide, bulk carton packing.
  • DIN 916 socket set screws, cup point, metric thread, palletized bulk order.
  • 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 bulk 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

Предмет Typical Supply Detail Bulk Order Notes
Стандарт DIN 916 Confirm cup point set screw requirement against the drawing or assembly list.
Head Style Headless set screw Useful 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.
Тип точки Cup point Designed to bite into the mating surface for holding shafts and collars.
Thread Metric full thread Check thread pitch and tolerance when used with precision machined parts.
Диапазон размеров Common metric sizes such as M3 to M20 Actual range depends on material, finish, and order quantity.
Материал Alloy steel, carbon steel, stainless steel Alloy steel is common for holding strength; stainless steel is used for corrosion resistance.
Обработка поверхности Black oxide, zinc plated, plain, stainless passivated options Finish should match storage, installation environment, and buyer appearance needs.
Packing Bulk carton, inner bag, small box, pallet packing Bulk orders should define carton quantity, labels, lot separation, and pallet layout.
Inspection Thread, socket, point form, hardness, finish, and packing checks Inspection documents are available upon request before shipment arrangement.

Material and Grade Explanation

Alloy steel DIN 916 cup point set screws are commonly supplied in class 45H for applications that require stronger holding force 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 a consolidated bulk order.

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 the bulk 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. For bulk manufacturing, clear labels, stable carton quantities, and lot separation reduce receiving errors at the buyer’s warehouse or assembly plant. The socket and point are the main functional areas: a shallow socket may strip during installation, while an uneven cup point may reduce holding force.

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, item code, and pallet number.

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

Приложения

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, bulk packing, and inspection needs before production.

How to Get a Faster Quotation

A complete bulk 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 bulk carton quantity, carton marks, pallet requirements, inspection needs, and any split-size packing request.

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

Часто задаваемые вопросы

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 bulk DIN 916 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 bulk purchasing and coordinated packing.

Request Bulk Order DIN 916 Cup Point Set Screws

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 bulk order supply details according to order requirement.

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