| Item | Details |
|---|
| Multi-Choice Raw Material System | This DIN963 fastener supports a full spectrum of raw material options to match budget, strength and corrosion demands. A2 (304) and A4 (316) stainless steel grades deliver reliable rust resistance for indoor and coastal/marine environments respectively; Grade 4.8 carbon steel provides cost-effective structural fastening for general machinery. Brass and aluminum blanks are also available for lightw |
| DIN963 Global Standard Dimensional Control | The whole production workflow strictly follows DIN963 national standard specifications for slotted countersunk flat head machine screws, while maintaining full interchangeability with GB, ANSI, BSW, JIS, GOST international fastener norms. Critical dimensions such as thread pitch, head cone angle, straight slot depth and major thread diameter are locked within DIN-specified precision tolerance band |
| Straight Slotted Flat Screwdriver Drive Design | The precision die-stamped single straight slot creates full surface contact with standard flat-blade screwdriver bits. Even multi-point torque distribution eliminates tool slippage, slot cracking and head deformation under medium tightening loads. This classic drive structure boasts low matching tool cost, simple on-site operation and excellent compatibility with legacy equipment assembly, making |
| DIN963 Countersunk Flush Mount Head Geometry | Optimized tapered flat countersunk head adheres to official DIN963 geometric parameters. Once fully torqued, the entire head sinks flush into the workpiece surface to form a seamless smooth exterior with no protruding edges. This design removes scratch hazards for handling and prevents fluid flow turbulence on liquid-contact mechanical parts; the calibrated cone angle balances clamping pressure to |
| High-Precision Full Machine Thread Profile | Continuous full machine threads are formed by high-hardness thread rolling dies, yielding smooth burr-free thread surfaces, consistent hardness and stable self-locking clamping force. Distinct from self-tapping screws, this thread mates perfectly with pre-tapped internal threaded holes, enabling repeated disassembly and long-term fatigue-resistant fastening on steel, alloy and rigid plastic workpi |
| Customizable Multi-Type Surface Protection Finishes | Multiple surface treatment processes cater to different environment and aesthetic requirements. Passivation amplifies stainless steel's inherent anti-rust capability without altering metallic texture; mirror polishing delivers bright premium appearance for high-end precision equipment; black/gray phosphate boosts carbon steel wear resistance for heavy mechanical assembly; nickel plating and Rusper |
| Dual-Layer Export-Ready Protective Packaging Solution | Inner waterproof polyethylene polybags separate individual screws to shield polished and treated surfaces from scratch damage caused by mutual friction during transit. Outer heavy-duty reinforced corrugated export cartons withstand high stacking loads and impact shocks during cross-continental sea and land shipping routes. For large bulk orders, wooden pallet stacking can be arranged to maximize c |
| Complete Size Range & Flexible OEM Customization Capacity | Standard metric sizes span M1.6-M16, with dozens of fixed standard lengths stocked in factory inventory to support fast 5-20 day bulk delivery timelines. Comprehensive drawing-based OEM customization is accessible: customers can adjust overall shank length, special custom thread pitches, bespoke surface coating thicknesses, and request branded printed cartons or neutral unlabeled export packaging |
| HYS Brand Factory Production & Quality Assurance System | Products carry the HYS trademark and are manufactured in a Zhejiang fastener production base with mature mass output capacity. The facility implements a closed-loop production pipeline covering cold forging, straight slot forming, thread rolling, surface finishing and finished sorting. Free physical test samples are supplied for buyer performance validation prior to mass production, supported by p |
| Full-Process Closed-Loop Quality Inspection Mechanism | Rigorous multi-stage quality checks run through every production phase: raw material incoming composition & tensile testing → cold forging dimensional verification → straight slot forming precision detection → thread rolling tooth shape inspection → surface coating thickness & salt spray corrosion testing → finished full-size sorting → sealed packaging sampling recheck, fully aligned with ISO inte |
| Primary Target Application Industry Sectors | Core application fields include precision measuring instruments, general industrial mechanical equipment, electrical control cabinet assembly, furniture hardware fittings, electronic component fastening and light industrial machinery assembly. The product supplies machinery manufacturers, instrument factories and hardware distributors across Europe, North America, Southeast Asia and Australia glob |
| Core Integrated Product Competitive Advantages | DIN963 standard multi-material slotted countersunk machine screw, slip-resistant torque-stable straight slot drive, reusable high-precision machine thread structure, versatile customizable anti-corrosion surface treatments, mature mass cold forging production technology, direct factory competitive pricing, adjustable flexible delivery lead times, complete international standard compliance and reli |
