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Screw×由良産商株式会社 特販部 特販課 - List of Manufacturers, Suppliers, Companies and Products

Screw Product List

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Resin Plastic Screw Products - Stock Sales Catalog -

Lightweight! Insulating! Corrosion-resistant! Non-magnetic! Thermal insulation! This is a catalog of resin (plastic) screw products, featuring the properties of the resin and available stock sizes.

Leave it to us for plastic screw products made from resin. We can accommodate individual orders, so you can use them for prototypes and more. Five features of plastic screws: 【Lightweight】 They are about 1/5 to 1/6 the weight of metal due to their low specific gravity. 【Corrosion-resistant】 They have excellent corrosion resistance, so there is no worry about rust or corrosion. 【Insulating】 They have low thermal conductivity and excellent insulation properties. 【Electrical insulation】 They have high electrical resistance and excellent insulating properties. 【Non-magnetic】 They do not acquire magnetic properties. Our company offers a wide variety of plastic screws. ------------------------------------------------------------ If you would like documentation, please click the [Download] button! ------------------------------------------------------------    ↓  ↓  ↓

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PEEK - Peak - Screw Products

It has the highest level of chemical resistance among engineering plastics.

PEEK is a super engineering plastic with the highest level of semi-crystalline performance. It has the highest level of chemical resistance among engineering plastics, and the only common chemical that can dissolve PEEK is concentrated sulfuric acid. It also excels in heat resistance, wear resistance, flame retardancy, and hydrolysis resistance.

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  • fastener

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Loosening prevention function screw 'fix-F4(+) pan screw/WH'

No screw lock / no assembly! It won't peel off like a loosening prevention even after repeated use.

The "fix-F4(+) Nabebisu/WH" is a screw with a loosening prevention function that achieves weight reduction by eliminating the need for flat washers and spring washers. By removing the resistance type loosening prevention that uses nylon or silicone-based resin, which is more expensive than screws, cost reduction with screws becomes possible. Additionally, it prevents the tilting of screws caused by spring washers and the overlapping of flat washers, which can lead to stoppages in automated lines. 【Features】 ■ Significant cost reduction ■ Reusable ■ Achieves weight reduction by eliminating the need for flat washers and spring washers ■ No need for incomplete screw parts due to the thickness of the assembly ■ Prevents stoppages in automated lines *For more details, please refer to the PDF document or feel free to contact us.

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Cross-recessed screws for precision machinery

We have started handling size 0 screws for precision instruments, commonly referred to as "camera screws" and "precision screws"!

This product features a small screw with a head height that is approximately 50% lower for Type 1 and about 30% lower for Type 3 compared to the JIS B1111 appendix. We offer a variety of products including "No. 0 Type 1 (+) pan head screws with nickel plating" and "No. 0 Type 1 (+) pan head screws with trivalent chromate plating." All stock items can be shipped in units of 1,000 pieces. Additionally, we can accommodate other sizes, shapes, and surface treatments through made-to-order production. 【Features】 ■ Japanese Camera Industry Association standard (JCIS10-70) ■ All stock items can be shipped in units of 1,000 pieces ■ Other sizes, shapes, and surface treatments can also be accommodated through made-to-order production ■ Material: SWCH16A (aluminum-killed steel) ■ Surface treatment: nickel plating, trivalent chromate plating *For more details, please refer to the PDF document or feel free to contact us.

  • Other electronic parts

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Hexagon socket set screw micro size (small diameter)

High hardness HRC50-53, toughness!!! The hexagonal hole does not "rotate or crack"!!!

□■ Features ■□ - High tightening force with small screws - Does not loosen due to high tightening force - Enables compact design

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  • fastener
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[Resin Products] Types of Materials, Overview, Data Documentation

I have summarized the types and overview of the materials used for resin screws.

I wonder what materials are available for resin (plastic) screws. We have compiled data on material properties such as tensile strength, heat resistance, and chemical resistance for comparison in a catalog. We have a large stock available, so please feel free to inquire.

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  • fastener

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Cross-recessed screws for precision machinery

Shippable in units of 1,000! Introducing the "No. 0 screw" according to the Japan Camera Industry Association standard (JCIS10-70).

Yura Sangyo Co., Ltd.'s Special Sales Department handles 'No. 0 small screws' for precision equipment, commonly referred to as "camera screws" and "precision screws." These are small screws with a pan head height that is approximately 50% lower for Type 1 and about 30% lower for Type 3 compared to the JIS B1111 appendix. All stock items can be shipped in units of 1,000 pieces. Sizes, shapes, and surface treatments can also be customized to order. 【Features】 ■ Material: SWCH16A (aluminum killed steel) ■ Surface treatment: Nickel plating / Trivalent chromate plating ■ All stock items can be shipped in units of 1,000 pieces ■ Sizes, shapes, and surface treatments can also be customized to order *For more details, please refer to the PDF document or feel free to contact us.

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Unified Thread Standard (UTS)

Unified screws (inch screws) are screws made in inch sizes.

It is also referred to as "ISO inch screw." Basically, the unified screw is adopted in three countries: the United States, the United Kingdom, and Canada, and it has been standardized for military use. In Japan, the Japanese Industrial Standards (JIS) stipulate that the screws commonly used are of the same standard as "ISO metric screws," while "ISO inch screws" are used in aircraft and other cases where it is particularly necessary.

  • fastener
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