Covering Phillips Bits, Hex Bits, Torx Bits, and custom non-standard bits. All series use imported S2 steel with vacuum cryogenic heat treatment, achieving hardness up to HRC58.
A standardized custom process, from requirements communication to batch delivery, with dedicated personnel at every stage to ensure quality and on-time delivery.
Submit drawings or samples; our engineers provide one-on-one consultation on requirements and details.
We provide proposal drawings and quotations, with 7-day rapid sample confirmation.
Full dimensional inspection + torque life testing
After sample approval, mass production begins with full-process quality monitoring.
Global delivery via sea and air freight, with worry-free after-sales support.
Featuring a 12,000m² modern production base with fully imported EDM equipment, providing end-to-end quality control from raw material inspection to finished product shipment. Our core team has 15+ years of precision tool manufacturing experience, serving 500+ renowned enterprise clients.
Every steel batch undergoes spectrographic composition analysis upon arrival to ensure S2 steel purity meets standards.
Vacuum quenching + cryogenic treatment, achieving HRC58+-1 hardness with an optimal balance of toughness and hardness.
12 inspection stages with triple verification of dimensions, torque, and hardness, maintaining a defect rate below 0.1%.
Serving high-end manufacturing sectors including New Energy Vehicles (NEV), automotive chassis, and 3C Electronics, providing customized precision fastening solutions for industry-leading enterprises.
Custom-designed stator assembly driver bits for a leading domestic NEV manufacturer, with 4x improved impact life, passing 300,000 fatigue test cycles.
Supplying dedicated hex bits for joint-venture brand chassis production lines, featuring S2 alloy steel with cryogenic treatment, reliably serving tier-1 automotive plants for over 10 years.
Micro driver bits for precision assembly of smartphones and watches, with the smallest specification at PH000 and +-0.02mm precision, compatible with imported fully automatic screw fastening machines.
is a manufacturing enterprise dedicated to the R&D, production, and sales of precision fastener tools.
The company operates a complete production line and quality control system, handling everything in-house from raw material forging, precision milling, and heat treatment to surface finishing. Our main products include Phillips bits, Hex bits, Torx bits, socket bits, and all types of custom non-standard bits, widely used in New Energy Vehicles (NEV), 3C Electronics, home appliance manufacturing, metalworking assembly, and other industries.
About Our Manufacturing Process
Your inquiry has been submitted. Our engineer will contact you within 1 hour.
Custom products are designed and manufactured according to the customer's specific requirements (drawings or samples). Therefore, custom products are non-returnable and non-refundable if there are no quality issues. If the product fails to meet the agreed specifications, we will re-manufacture at no additional cost.
Stock products can be exchanged or repaired within 7 days of receipt if there is no human damage. Customers need to provide clear photos or videos of the damaged product. Once confirmed, we will arrange for exchange or repair services.
If you need to apply for return or exchange, please contact our after-sales team via email at 84841@s.com or phone at . Please include your order number and clear photos/videos of the product issue.
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