Product Description
Finish：Plain, Black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating,Nickel plating,Zinc impregnation,ETC.
Material：Carbon steel、Stainless steel
Grade：4.8，8.8, 10.9, 12.9
Standard ：GB, DIN, ISO, ANSI/ASTM, BS, JIS,ETC.
Non-standards：OEM is available, according to drawing or samples.
Samples：Samples are free.
Package：Wooden boxes, pallet, cartons, plastic bags, nylon bags.
Description
The ASME B18.2.1 Lobed Head Screws are specially designed fasteners featuring a lobed (multi-lobed or star-shaped) head, which provides enhanced torque control, greater resistance to tampering, and reduced risk of cam-out during installation or removal. These screws are widely used in heavy machinery, automotive, construction, and high-security applications.
Manufactured from high-quality carbon steel or stainless steel, these screws offer a combination of mechanical strength and excellent corrosion resistance. Multiple finish options are available to suit various operating environments, including plain, black oxide, zinc electroplating, hot dip galvanizing, copper plating, nickel plating, and zinc impregnation.
Available in a wide range of grades (4.8, 8.8, 10.9, and 12.9) and compliant with international standards including GB, DIN, ISO, ANSI/ASTM, BS, and JIS, these screws ensure consistent performance and compatibility in global markets.
We also offer custom OEM solutions based on your drawings or samples. To ensure confidence before bulk purchasing, free samples can be provided. Secure and flexible packaging options include wooden boxes, pallets, cartons, plastic bags, and nylon bags.
Specifications:
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Type: Lobed Head Screws
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Standard: ASME B18.2.1
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Material: Carbon Steel, Stainless Steel
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Grade: 4.8, 8.8, 10.9, 12.9
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Finish Options: Plain, Black Oxide, Zinc Electroplated, Hot Dip Galvanized, Copper Plated, Nickel Plated, Zinc Impregnated
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Standards Compliance: GB, DIN, ISO, ANSI/ASTM, BS, JIS
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Non-Standard Options: OEM available (based on drawings or samples)
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Samples: Free samples available
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Packaging Options: Wooden boxes, pallets, cartons, plastic bags, nylon bags
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Returns and Exchanges
There are a few important things to keep in mind when returning a product you purchased.You can return unwanted items by post within 7 working days of receipt of your goods.- You have 14 calendar days to return an item from the date you received it.
- Only items that have been purchased directly from Us.
- Please ensure that the item you are returning is repackaged with all elements.
Ship your item back to Us
Firstly Print and return this Returns Form to: 30 South Park Avenue, San Francisco, CA 94108, USA Please remember to ensure that the item you are returning is repackaged with all elements. For more information, view our full Returns and Exchanges information.Related Products
Finish：Plain, black oxide , Zinc Electroplating,Hot Dip Galvanizing,Copper plating,Nickel plating,Zinc impregnation,ETC.
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