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DIN 916 cup point set screws wholesale supplier

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DIN 916 cup point set screws wholesale supplier

XZ Fastener supplies DIN 916 cup point set screws for wholesale buyers, distributors, and machinery assembly suppliers that need headless socket fasteners with stable shaft holding and practical carton 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 packing labels should be confirmed before purchase. Material, strength class, finish, small box packing, carton marks, pallet method, and inspection documents can be supplied according to order requirement. Buyers comparing related fastener products can send one complete inquiry list.

DIN 916 Cup Point Hex Socket Wholesale Supply
DIN 916 cup point set screws wholesale supplier 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 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 wholesale 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 distributor supply, small box labels, item codes, and carton quantities matter. A wrong size or mixed box can create receiving issues 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, wholesale packing.
  • DIN 916 socket set screws, cup point, metric thread, small box or bulk 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 wholesale 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 Wholesale Purchasing Notes
قياسي 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.
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 when used with precision machined 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 holding strength; stainless steel is used for corrosion resistance.
إنهاء السطح 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 Wholesale orders should define small box quantity, carton labels, and pallet layout.
Inspection Thread, socket, point form, hardness, finish, and packing checks Inspection documents are available upon request before delivery 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 wholesale 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 wholesale 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 wholesale supply, clear labels and stable carton quantities reduce receiving errors at the buyer’s warehouse. 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.

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, wholesale packing, and inspection needs before production.

How to Get a Faster Quotation

A complete wholesale 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 small box details, carton marks, pallet requirements, inspection needs, and any split-size packing request.

For wholesale 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 wholesale 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 be packed in small boxes?

Yes. Small box packing, inner bag packing, bulk carton packing, neutral labels, and pallet marks can be discussed according to order requirement.

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 wholesale purchasing and coordinated packing.

Request Wholesale Supply for 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 wholesale supply details according to order requirement.

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