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NR EngineeringYour Trusted Partner in Fasteners

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Industrial Fasteners — Bolts, Studs & Nuts | NR Engineering

Our Products

Premium Fasteners for Every Application

Bolts, studs and nuts in alloy steel, stainless steel, duplex, Inconel, Monel, nickel alloy and titanium — manufactured to ASTM, ISO, DIN and customer specifications.

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6Material Families

4Products Listed

90+Export Countries

100%Quality Checked

By Material & Grade

Explore Our Fastener Range

Every product below is manufactured to order and supplied with full documentation.

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Material

Alloy Steel12
Stainless Steel39
Super Duplex1
Inconel1
Titanium2
Carbon Steel21

Product Category1

Hex Bolts (Full Thread)6
Hex Bolts (Half Thread)4
Socket Screws4
Countersunk Socket Screw (CSK)3
Button Head Socket Screws3
Hex Flange Bolt4
Heavy Hex Structural Bolt3
Stud Bolt10
Hex Nut4
Nyloc Lock Nut4
Hex Flange Nut4
Heavy Hex Nut3
Flat Washer3
Fender / Large OD Washer3
Spring Lock Washer3
Hardened Structural Washer2
Threaded Rod4
U-Bolt3
Phillips Head Screw3
Countersunk Machine Screw (Phillips)3

Standard

ASTM A1938
ISO 40176
ISO 47624
ISO 40324
DIN 985 / ISO 105114
DIN 975 / DIN 976-14
DIN 931 / ISO 40144
DIN 6923 / ISO 41614
DIN 6921 / ISO 41624
DIN 125A / ISO 70893
ASME B18.2.2 / ASTM A1943
ASME B18.2.1 / ASTM A3253
DIN 965 / ISO 70463
DIN 9021 / ISO 70933
DIN 7991 / ISO 106423
DIN 7985 / ISO 70453
DIN 7380 / ISO 7380-13
DIN 3570 (Form A)3
DIN 127B3
ASTM F436 / F436M2
ASTM A4531
ASTM A3201

Thread type

Metric Coarse50
UNC17
Non-Threaded9

4 products

Filtering byNyloc Lock Nut✕Clear all

Showing 4 products

Class 10 Nyloc Lock Nut

DIN 985 / ISO 10511 · Carbon Steel · 10 · M3 – M30

SizeM3 – M30 · Custom

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Class 8 Nyloc Lock Nut

DIN 985 / ISO 10511 · Carbon Steel · 8 · M3 – M30

SizeM3 – M30 · Custom

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A2 Nyloc Lock Nut

DIN 985 / ISO 10511 · Stainless Steel · 304 · M3 – M30

SizeM3 – M30 · Custom

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A4 Nyloc Lock Nut

DIN 985 / ISO 10511 · Stainless Steel · 316 · M3 – M30

Product Categories

What We Manufacture

Made to your exact design and specification, in metric or imperial.

Hex Bolts (Full Thread)→Hex Bolts (Half Thread)→Socket Screws→Countersunk Socket Screw (CSK)→Button Head Socket Screws→Hex Flange Bolt→Heavy Hex Structural Bolt→Stud Bolt→Hex Nut→Nyloc Lock Nut→Hex Flange Nut→Heavy Hex Nut→Flat Washer→Fender / Large OD Washer→

Can't find a standard size?

We manufacture custom fasteners to your exact drawing and specification.

Request a Custom Quote Talk to an Engineer

SizeM3 – M30 · Custom

View details →

Spring Lock Washer→

Hardened Structural Washer→

Threaded Rod→

Phillips Head Screw→

Countersunk Machine Screw (Phillips)→