Product Name: Grade 8.8 Black Oxide Hex Cap Screw Model NO.: M3~M64 Finish: Black Grade: 8.8 Standard: DIN, GB Head Style: Hexagonal Connection: Common Bolt Type: Hexagon Head Material: Carbon Steel Size: M3~M64 Trademark: Fast Transport Package: General Export Packing Specification: M3~M64 Origin: Shenzhen, China Product Description Grade 8.8 Black Oxide Hex Cap Screw1. Standard: DIN, ANSI BS, ISO standard.2. Material: Carbon steel grade 8.8 or according to your requirement.3. Grade of hex cap screw: Grade 8.84. Dimension: M3~M645. Length: 5-300mm.6. Surface treatment: Black oxide7. Packing of hex cap screw: General export packing or according to your requirement.Fast Hardware Electronic Co., Limited is a professional manufacturer of all kinds of hardware, such as stainless steel bolt, carbon steel bolt, hex bolt, furniture bolt, slotted bolt, special bolt, eye bolt and anti-theft bolt, self-tapping screw, self-drilling screw, wood screw, furniture screw, stainless steel screw, hex screw, hex nut, nylon nut, special nut, metal stamping part, , lathe part and so on.The photos are taken 100% by real shot.