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  3. 由良産商株式会社 特販部 特販課
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Machine elements and parts
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由良産商株式会社 特販部 特販課

number of employees120
addressOsaka/Nishi-ku, Osaka-shi/4-8-17 Tachiuri-bori
phone06-6532-1331
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last updated:Oct 06, 2015
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由良産商株式会社 特販部 特販課 List of Products and Services

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Yura Sangyo Original Products Yura Sangyo Original Products
Flat seat gold Flat seat gold
Hex nut Hex nut
Hex bolt Hex bolt
High-strength stainless steel bolt High-strength stainless steel bolt
Heat-resistant and corrosion-resistant fastener Heat-resistant and corrosion-resistant fastener
Bolt for gas turbines Bolt for gas turbines
Generator bolt Generator bolt
U.S. military standard bolts and nuts U.S. military standard bolts and nuts
Standard Specification Bolts and Nuts for U.S. Military Vessels Standard Specification Bolts and Nuts for U.S. Military Vessels
Flat

Flat seat gold

This is an introduction to "Hirazakan."

Flat seat gold 300HV

We respond to needs with mill sheets and inspection certificates! Please consider our proposal when estimating drawings with specification requirements.

This product is a flat washer with a hardness classification of 300HV. It prevents the nut or bolt head from sinking into the joined material. It can be used when the hole diameter is larger than the bolt diameter or to stabilize the seating surface. It meets needs with a mill certificate and inspection report. The material used is S45C to S55C (domestic material), and it has undergone bright hardening and tempering heat treatment. 【Features】 ■ JIS B1256:2008 ■ Standard shape / Component grade A ■ Marked with engraving ■ Hardness classification of 300HV ■ Comes with a mill certificate and inspection report *For more details, please refer to the PDF document or feel free to contact us.

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Hexagonal hole plate spring washer "SUS CDW"

The wedge-shaped serration effectively suppresses loosening rotation! Available for light and heavy loads.

The "SUS CDW" is a serrated hexagonal spring washer. It supports axial force with spring reaction due to its dish spring shape. The wedge-shaped serration effectively suppresses the rotation of loosening. It has a wedge shape that is less likely to damage the joined parts, is made of SUS304 for high heat resistance, and can be used in high-temperature environments. 【Features】 - Supports axial force with spring reaction due to dish spring shape - Effectively suppresses the rotation of loosening with wedge-shaped serration - Wedge shape that is less likely to damage the joined parts - High heat resistance with SUS304, usable in high-temperature environments - Material: S50C to S70C, SUP10; Hardness: 40 to 48 HRC *For more details, please refer to the PDF document or feel free to contact us.

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