KOLI manufactures externally threaded bolts and screws for automotive, heavy truck, and industrial markets. Products include extruded hex and hex flange bolts, powertrain critical fasteners, Taptite bolts, large diameter & long length bolts, and specialty parts and assemblies.
  • Sizes: M6-M24
  • Lengths from under the head: 16-381mm
  • Materials: Carbon, Alloy, and Stainless Steel
  • Property Classes: 4.8 – 13.9

Licensed to manufacture:

Taptite 1

Mathread 1

Hex Caps Socket Head

Hex Flange Bolts

Mass Savings Parts

Powertrain Critical Parts

Products Large Long Parts

Sems Washers Assembled

Specialty Parts Assemblies

Taptite Parts

  • Phone: +886-4-25667222
  • Fax: +886-4-25665545
  • No. 39, Minzu St., Daya Dist., Taichung City 428, Taiwan (R.O.C.)
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