Industrial Fasteners

Precision Fastening Solutions for Global Industries

Industrial Fasteners Supplier

RonkyTech supplies a comprehensive range of industrial fasteners to DIN, ISO, and ASME standards. Serving aerospace, wind power, construction, machinery, and power distribution industries worldwide.

RonkyTech Fasteners
Industrial Fastener Products

Hex Bolts & Screws

Standards: DIN 931, DIN 933, ISO 4014, ISO 4017

Full thread and partial thread hex bolts in grade 4.8, 8.8, 10.9, and 12.9. Zinc plated, hot-dip galvanized, and stainless steel options available.

  • DIN 931: Partially threaded hex bolts
  • DIN 933: Fully threaded hex bolts
  • Grades: 4.8 / 8.8 / 10.9 / 12.9 / A2-70 / A4-80
  • Finish: Zinc, HDG, Black, Dacromet, PTFE
Hex Bolts and Screws

Hex Nuts DIN 934

Hex Nuts

Standards: DIN 934, ISO 4032, ISO 4033

Standard and heavy hex nuts in all grades and materials. Lock nuts, flange nuts, and coupling nuts also available.

  • Hex Nuts (DIN 934 / ISO 4032)
  • Heavy Hex Nuts (ISO 4033)
  • Lock Nuts (DIN 985 / Nylon Insert)
  • Flange Nuts (DIN 6923)

Stud Bolts & Threaded Rods

Standards: DIN 938, DIN 939, DIN 976

Full thread and partial thread stud bolts for flange connections. Threaded rods in 1-meter and 3-meter lengths.

  • DIN 938: Stud bolts with one short thread end
  • DIN 939: Stud bolts with two different thread lengths
  • DIN 976: Threaded rods (full thread)
  • Grades: B7, B7M, B8, B8M, L7, 4.8, 8.8
Stud Bolts and Threaded Rods

Flat Washers and Spring Washers

Washers

Standards: DIN 125, DIN 127, DIN 6319

Flat washers, spring lock washers, and heavy-duty spherical washers. Available in steel, stainless steel, and non-ferrous metals.

  • DIN 125: Flat washers (standard & large)
  • DIN 127: Spring lock washers (split)
  • DIN 6319: Spherical washers (heavy duty)
  • Belleville washers, tab washers available

Anchor Bolts & Foundation Bolts

Standards: DIN 529, J-Bolts, U-Bolts

Custom and standard anchor bolts for structural and foundation applications. L-shaped, J-shaped, and custom configurations available.

  • L-Bolts (Foundation anchor bolts)
  • J-Bolts (Hook anchor bolts)
  • U-Bolts (Pipe and structural)
  • Chemical anchor studs
  • Weldable embed plates with studs
Anchor Bolts and Foundation Bolts

Eye Nuts and Eye Bolts DIN 582

Eye Nuts & Eye Bolts

Standards: DIN 582, DIN 580, ASME B18.15

Precision forged lifting eye nuts and eye bolts for heavy-duty lifting and rigging applications. Available in carbon steel and stainless steel, from M6 to M100.

Why Choose RonkyTech Fasteners?

Standards Compliance

We source fasteners that meet DIN, ISO, and other international standards.

Material Options

Carbon steel (C45, 42CrMo4), stainless steel (304/316/316L), alloy steel, brass, and specialty alloys.

Surface Treatments

Zinc plated, hot-dip galvanized, black oxide, PTFE coated, dacromet, sherardizing, and geometric coatings.

Quality Assurance

Full material test reports (MTR) and certificates of conformity provided.