Widely applied in industrial aluminum profile applications, cylinder head hex socket bolts, commonly known as cup head screws, are essential core fasteners for frame assembly and accessory fixing.

Common Names: Cup head hex socket bolt, cylinder head hex socket screw

Standards: GB/T 70.1, DIN 912, ISO 4762

Full English Name: Hexagon Socket Cylinder Head Cap Screw

Core Characteristics

Featured with cylindrical head and hex socket drive, it ranks among the fasteners with the highest torque transmission efficiency in industrial fields.

Material Options

• 8.8 / 10.9 Grade Carbon Steel: Finished with zinc plating or nickel plating, it owns high strength and cost-effectiveness, ideal for ordinary workshop environments.

• 304 / 316 Stainless Steel: Excellent rust and corrosion resistance, suitable for humid, clean and food-grade working conditions.

Performance Advantage

The cylindrical head structure can bear greater tightening torque and provides higher connecting strength than half-round head bolts, perfectly suitable for heavy-load frame construction.

Core Features & Benefits

High Torque Transmission & Superior Connecting Strength

It can withstand much higher tightening torque than other types of bolts without slipping. With outstanding torsion resistance, it is ideal for assembling heavy-duty aluminum profile frames and high-load mechanical equipment.

Strong Versatility & Wide Accessory Matching

Compatible with nearly all aluminum profile accessories including T-nuts, flange nuts, angle brackets, connecting plates and leveling feet, it is one of the most universal screws for profile assembly.

Easy Assembly & Disassembly for Flexible Production

Welding-free installation allows quick assembly, disassembly and structural adjustment with only hex keys, fully meeting renovation demands of lean production and LCIA low-cost automation equipment.

Multiple Connection Ways Available

It can be used for direct profile-to-profile connection, as well as fixing profiles with plates and sheet metal parts. Different assembly effects can be achieved by matching various nuts.

Material	High-strength carbon steel of grade 12.9 or 304 stainless steel
Color	Zinc-plated silver
Order NO.	XY-M8*40	XY-M12*50
	XY-M8*60	XY-M12*60
	XY-M8*80	XY-M12*80
		XY-M12*100
Multiple specifications are available; please contact the sales staff.

Company Profile

Shanghai Xuying Industrial Co., Ltd., established in January 2013, boasts nearly 20 years of experience in the industry.

Currently, our company primarily engages in the research, development, production, and sales of first-generation lean pipes (steel-plastic composite pipes), second-generation lean pipes (stainless steel pipes), third-generation lean pipes (aluminum alloy pipes), and related accessories, as well as aluminum profiles, accessories, and equipment.

The finished equipment we can currently provide for enterprises includes: lean pipe workbenches, lean pipe assembly lines, U-shaped production lines, flow rail lean pipe racks, lean pipe storage racks, lean pipe turnover racks, aluminum profile workbenches, aluminum profile frames, aluminum profile partition walls, and other industrial finished product series.