ISO & DIN Industrial Fasteners
Bolts, screws, nuts, washers, pins, rivets, retaining rings, keys, springs and fittings — every type to international standards, with full dimensional data and fast quotations. Find the exact fastener you need in seconds.
Fasteners by Category
Browse the catalog by category and standard. Every product page lists the full dimensional table, materials, finishes, structured data and a quotation path.
Bolts
Hex, flange, shoulder, carriage, lag and eye bolts plus U-bolts, studs and threaded rods, to ISO and DIN…
Screws
Socket, countersunk, button, cheese, pan-head, set, self-tapping, self-drilling and wood screws across ISO/DIN standards.
Nuts
Hex, thin, flange, nyloc, all-metal lock, square, cap, wing and lifting eye nuts, plus T-slot nuts, to ISO…
Washers
Flat, fender, spring-lock and serrated-lock washers per ISO and DIN.
Engineering Reference
Engineering reference tables: thread dimensions, property classes, torque, tap-drill and clearance-hole sizes.
Nails
Wire nails and specialty nails for construction and packaging.
Pins
Dowel, spring (roll), split cotter and taper pins to ISO and DIN standards.
Rivets
Blind (pop) and solid rivets per ISO and DIN.
Tools
Hex (Allen) keys and related fastener tools to ISO 2936.
Retaining Rings
External and internal retaining rings (circlips) to DIN 471 / DIN 472, plus E-clips to DIN 6799.
Keys
Parallel and Woodruff machine keys to DIN 6885 / DIN 6888.
Springs
Compression, extension and torsion springs to DIN 2098 / 2097 / 2089.
Threaded Inserts
Helical wire thread inserts (thread repair / reinforcement) to DIN 8140.
Pipe & Pneumatic Fittings
BSP and NPT pipe-thread fittings plus hydraulic and push-in pneumatic fittings.
Bearings & Bushings
Ball, roller, thrust, housed and rod-end bearings plus flanged bushings.
Rigging Hardware
Wire rope, thimbles, turnbuckles and wire-rope clips for lifting and tensioning assemblies.
Seals
O-ring and related sealing products represented by clean technical schematics.
General Components
Source CAD components that do not fit a standard fastener family.
Why engineeringhardware.com
A specialist fastener supply partner built around fast, accurate quotations.
Full ISO/DIN range
Bolts to springs to fittings, all to recognized international standards with complete dimensional data.
Any material & finish
Carbon steel, alloy steel grades 8.8/10.9/12.9, stainless A2/A4, with zinc, HDG, black-oxide and more.
Fast quotations
Submit a request from any product page and get a tailored price and lead time within one business day.
Free Engineering Calculators
Bench-side tools for working with metric fasteners — bolt length, tightening torque, thread engagement, tap drill, washer sizes and more. Open any tool below.
Bolt Length
Clamp + washers + nut + projection → next standard length.
Thread Engagement
Minimum engagement for steel into steel, aluminium, brass or plastic.
Tightening Torque
T = K·F·d with friction picked from common surface conditions.
Tap Drill & Clearance
Tap-drill diameter and ISO 273 clearance holes.
Washer Size
ISO 7089 normal and ISO 7093 large flat washer dimensions.
Bolt Pattern (PCD)
Chord length and X/Y for every hole on a pitch circle.
Pitch ↔ TPI
Convert metric pitch in mm to threads per inch.
Metric ↔ Imperial
Length, torque, force and pressure converter.
About engineeringhardware.com
A specialist supply partner for ISO and DIN industrial fasteners — built around accurate dimensional data and fast quotations.
We supply bolts, screws, nuts, washers, pins, rivets, retaining rings, machine keys, springs and pipe fittings to international standards. Every product page lists the full dimensional table, materials and finishes, structured data and a single-click path to a quotation — so the engineer specifying the part finds what they need without leaving the page.
Our team responds to inquiries within one business day. Specifications include the standard, material, finish, lead time and price, so you can move from selection to purchase in one conversation.
Contact Us
Send a quote request from any product page, or reach the team directly.
Hours
Monday – Friday
9:00 – 18:00 your local time
Quote requests
Use the fastener finder or any product page's quote form — typically answered within one business day.