Information on the comprehensive catalog of small screws, tapping screws, bolts, and more.
This is an introduction to the "General Catalog of Small Screws, Tapping, and Bolt Products" handled by Topura Corporation. Topura's various products can fully meet the diverse and advanced needs of our customers.
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basic information
【Content】 ■Tightening Characteristics - Easy to tighten: Access points, W-type Tora-tight, Tap-tight, Torc-save, HTB (High-tensile tapping bolt) - Resistant to loosening: Twin-tight, Scotch grip ■Weight Reduction - High strength: HRF (High-tensile refining bolt), HCR bolt (High-tensile corrosion resistance bolt) - Materials: Aluminum screw bolts, Titanium screw bolts - Shape modification: Reheader products ■Reliability - High precision: Precision machined parts - High corrosion resistance: HCR bolt (High-tensile corrosion resistance bolt) - Environmental measures: Trivalent chromate, Non-chrome zinc aluminum composite coating ■Cost Reduction - Standardization of specifications: Topura Hexapure - Process reduction: HTB (High-tensile tapping bolt) - Workability: Fit-in - Special functions: Earth bolts, PR bolts (Paint remove bolts) □ For other functions and details, please refer to the catalog.
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Company information
Our company's name was not always Topura since its inception; it was initially "Toyo Plus Screw Co., Ltd." Until then, screws primarily had slotted heads (minus), and the tools used for tightening were minus screwdrivers. Topura quickly adopted a cross hole (plus) in the head and became the first JIS-certified factory in Japan.