Yph Hex Socket Cap Screws DIN7991 Grade 10.9 12.9

• Customization: Available
• Material: Carbon Steel
• Type: Countersunk Head
• Model NO.: UNC/UNF
• Connection: Common Bolt
• Head Style: Hexagonal
• Standard: DIN, ANSI, GB, JIS, BSW, GOST, All
• Grade: 12.9
• Application: Machinery, Chemical Industry, Environmental, Building, All
• Finish: All
• Color: Plain/Black
• Size: M4, M6, M8
• Length: 40mm, 60mm, 120mm
• MOQ: 100/1000/10000
• Delivery: 15-20 Days
• Brand: Yph
• Transport Package: Customized/Standard
• Trademark: YPH/OEM
• Origin: China
• Production Capacity: 300000 Tons

Product Description

Product Description

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Product Name: High Strength Hex Socket Cap Screws Din7991
Material: Stainless Steel 304 / 316 / Carbon Steel (Grade 8.8/10.9/12.9) 
Head Type: Hexagon Head 
Thread Type: Full Thread (Metric Thread, ISO 4017 / DIN 933 Standard) 
Surface Finish: Passivated / Polished / Black Oxide (for carbon steel) 
Size Range: M6 – M24, Length 20mm – 200mm (custom sizes available) 
Application: Widely used in machinery, construction, automotive, and industrial equipment for high-strength fastening.
 
Key Features:
 
High tensile strength and corrosion resistance (especially for stainless steel grade)
Standard hex head design for easy installation with wrenches
Full thread ensures secure clamping and load distribution
Complies with international standards (ISO, DIN, ANSI) for compatibility
Available in various materials and finishes to meet different environmental requirements
 
Packing: Bulk packing in cartons or pallets, or small box packaging as per customer request 
MOQ: Negotiable, small orders are acceptable 
Lead Time: 7–15 days for mass production

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We could provide the standard bolts, such as M4, M6, M8 and so on

d	p	s	t
M4	0.7	2.5	1.8
M5	0.8	3	2.3
M6	1	4	2.5