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DIN 961 fine thread hex bolts wholesale supplier

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DIN 961 fine thread hex bolts wholesale supplier

XZ Fastener supplies DIN 961 fine thread hex bolts for wholesale buyers who need full-thread metric fine pitch hardware with clear specifications, repeatable packing, and stable batch control. These bolts are used in machinery, automotive assemblies, tapped holes, brackets, and equipment joints where the drawing requires fine pitch engagement along the threaded length. Orders can be supplied in carbon steel, alloy steel, or stainless steel, with finishes selected according to corrosion exposure and assembly fit. For wholesale supply, confirm size, pitch, grade, coating, carton labels, quantity per box, and inspection documents before shipment.

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DIN 961 fine thread hex bolts wholesale supplier product illustration

Quick Specs

قياسيDIN 961, metric fine pitch, hex head, full thread
Strength8.8, 10.9, 12.9, and other classes available upon request
مادةCarbon steel, alloy steel, stainless steel 304/A2 and 316/A4
FinishPlain, zinc plated, black oxide, hot dip galvanized, zinc flake, passivated
تطبيقMachinery, automotive assemblies, tapped holes, brackets, and equipment joints

What Buyers Should Know Before Sourcing DIN 961 Fine Thread Hex Bolts

DIN 961 is a full-thread metric fine pitch hex bolt standard. It is not the same as a general coarse-thread hex bolt, even when the head style and length appear similar. For wholesale programs, the most important control points are pitch, full-thread form, coating allowance, and matching nut fit.

Before placing a repeat order, compare the part description with the DIN and ISO fastener standards guide. The same size should appear consistently on the purchase order, carton label, packing list, and inspection report.

Wholesale note: If a distributor stocks M10, M12, and M16 fine thread bolts together, each carton should show the pitch clearly. This prevents warehouse teams from mixing fine and coarse thread fasteners.

Common Purchasing Descriptions

Wholesale orders often combine several metric hex bolt types. XZ Fastener can review purchase descriptions that 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.

Common Description Wholesale Supply Checkpoint
DIN 961 M10 x 1.25 x 35 Class 8.8 zinc plated Confirm full thread, fine pitch, plating color, carton quantity, and label format
DIN 961 M12 x 1.25 x 50 Class 10.9 black oxide Confirm heat treatment, head marking, black finish condition, and hardness test
DIN 961 fine thread bolts with matching nuts Confirm nut pitch, nut grade, coating compatibility, and bolt-nut fit after finish
DIN 961 assorted wholesale carton supply Confirm size table, pieces per carton, lot marking, and pallet layout

For related programs, buyers can review XZ Fastener industrial bolts and standard fasteners.

Detailed Specifications Table

Specification Item Typical Options Buyer Confirmation Point
قياسي DIN 961 Confirm full-thread fine pitch requirement before quotation and production
موضوع الترابط Metric fine pitch, full thread State exact pitch, such as M10 x 1.25, M12 x 1.25, or M16 x 1.5
Diameter and Length Common metric sizes supplied according to order requirement Measure length under head and confirm complete threaded length
Strength Class 8.8, 10.9, 12.9; other classes on request Match bolt grade with nut grade, washer requirement, and application load
مادة Carbon steel, alloy steel, stainless steel A2 or A4 Confirm material certificate and chemical composition if required
Finish Plain, zinc plated, black oxide, hot dip galvanized, zinc flake, passivated Check coating appearance, thickness requirement, and thread fit after finish
Wholesale Packing Bulk cartons, small boxes, barcode labels, palletized packing Confirm part number, carton quantity, lot number, gross weight, and pallet marks

Material and Grade Explanation

Class 8.8 carbon steel is commonly selected for general industrial supply. Class 10.9 and 12.9 are used when the joint needs higher tensile performance. These grades should be paired with suitable nuts, washers, tightening method, and inspection records.

Stainless steel A2 and A4 can be supplied for corrosion-resistant applications. A4 is usually preferred for wet, coastal, or chemical exposure. For higher load programs, buyers can compare XZ Fastener high-strength fasteners.

Surface Finish Selection Guide

Finish Wholesale Use Case
Plain Indoor use, oil protection, or parts requiring later surface treatment
Zinc Plated General corrosion protection with clean appearance for stock items
Black Oxide Machinery appearance requirement with light oil protection
Hot Dip Galvanized Outdoor use where thicker corrosion protection is specified
Zinc Flake Controlled corrosion performance with closer thread-fit management

For finish-sensitive stock programs, review available coated fasteners before approving the supply plan.

Manufacturing and Quality Control

Wholesale buyers need repeatability across batches. A DIN 961 bolt should keep the same pitch, full-thread form, grade marking, finish, and packing rule from one purchase order to the next.

  1. Review the size list, fine pitch, grade, material, finish, and packing requirement.
  2. Confirm raw material and heat treatment before production release.
  3. Control head forming, full-thread rolling, length under head, and thread pitch during production.
  4. Inspect dimensions, hardness, marking, coating appearance, and thread gauge result.
  5. Check bolt-nut fit after coating when matching nuts are included.
  6. Pack by size, carton quantity, lot number, buyer label, and pallet requirement.

When the order includes matching components, XZ Fastener can discuss compatible industrial nuts according to order requirement.

تطبيقات

DIN 961 fine thread hex bolts are used where full-thread engagement and fine pitch control are required. They should be selected according to the assembly drawing, not substituted only by appearance or diameter.

  • Machinery and equipment assemblies with tapped holes
  • Automotive and transport components using metric fine pitch fasteners
  • Brackets, covers, housings, and adjustment connections
  • Flange and plate assemblies requiring full-thread engagement
  • Distributor stock where exact pitch labeling and repeat supply are important

How to Get a Faster Quotation

A wholesale quotation is faster when the size list is complete. For DIN 961 bolts, diameter and length are not enough. The exact fine pitch must be shown for each item.

Information Needed Example
Size and Pitch M10 x 1.25 x 35, M12 x 1.25 x 50, M16 x 1.5 x 60
Material and Grade Class 8.8 carbon steel, Class 10.9 alloy steel, A4 stainless steel
Finish Plain, zinc plated, black oxide, hot dip galvanized, zinc flake
كمية Pieces per size, carton quantity, shipment batch, or annual demand
Packaging Bulk carton, small box, export pallet, buyer label, barcode if required
Inspection Requirements Dimensional report, thread gauge record, hardness test, material certificate

Send drawings, purchase descriptions, packing instructions, and document requirements for review before confirming production.

أسئلة متكررة

What is DIN 961 fine thread hex bolt used for?

DIN 961 fine thread hex bolts are used in assemblies requiring full-thread metric fine pitch engagement, including machinery, automotive parts, brackets, housings, and tapped-hole applications.

How is DIN 961 different from DIN 960?

DIN 961 is generally used for full-thread fine pitch hex bolts. DIN 960 is used for fine pitch hex bolts with a shank or partial thread. Buyers should confirm the drawing requirement before ordering.

Can DIN 961 bolts be supplied with matching nuts?

Yes. Matching fine-thread nuts can be supplied when the pitch, nut standard, nut grade, finish, and packing method are confirmed with the bolt order.

Can DIN 961 bolts be hot dip galvanized?

Hot dip galvanized finish can be supplied when specified, but fine thread fit must be checked carefully after coating. Matching nuts should be confirmed at the same time.

What documents are commonly requested for wholesale supply?

Common documents include packing list, material certificate, dimensional inspection report, thread gauge record, coating report when required, and other records according to the purchase specification.

What should buyers send for a DIN 961 quotation?

Send the size list, exact fine pitch, strength class, material, finish, quantity per size, packaging method, and inspection documents needed before shipment.

Send Your DIN 961 Wholesale Requirement

For accurate quotation review, send your DIN 961 fine thread hex bolt size list, finish, quantity, packaging method, and inspection requirements. Include matching nuts, carton labels, pallet marks, drawings, and any document requirements needed for your warehouse or project supply process.

Prepare size list, finish, quantity, packaging, and inspection requirements
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