Company NameShenzhen In-sail Precision Parts Co., Ltd.
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About UsIn-saiL & Sandum originated from Leasan Group that establish in 1982 in Taiwan. We specialize in high quality fastening system componets, automation components, electronic components, molds components and machining tools.

In order to improve competitiveness and better serve customers in mainland China, In-saiL registered an independent operation center in Shenzhen in 2008 and registered the In-saiL® Brand in 2012,

Committed to the manufacture of precision parts and fastening solutions.

Take "Innovation first, strict quality and excellent service" as the business purpose

Take "Honesty, exquisite skill, thinking, gratitude"as the core values

Up to now, we have two operation centers (Shenzhen and Chengdu) and two manufacturing plants(Shenzhen and Dongguan).

Product application fields: Automotive, medical, electronic, engineering equipment and other fields,

In-saiL & Sandum (China) Operation Center is part of Leasan Enterprise Group. Group since 1982 in Taiwan, has always insisted quickly and accurately provide a variety of high-quality parts fastening systems, automation parts, electronic hardware, mold parts, machine tools and other parts to customers. Group has committed to R & D and innovation, the core technology as the center, including: Environmental process technology, precision molds technology, CNC machining technology, powder metallurgy technology. Group is not only a sound R & D management system, but also in the Intellectual Property Management to work actively to enhance the international competitiveness of the Chinese mission, and corporate social responsibility in environmental protection and energy saving, emission reduction, green, recycling and other efforts to promote and dedication;

Leasan Enterprise Group was established 33 years ago, it has established five manufacturing centers, located in Taiwan, Singapore, Mexico, Jiangsu and Guangdong. The purchase of a large number of high-precision manufacturing equipments, such as CNC lathes, CNC milling, CNC grinding machines, precision presses and injection molding machines more than 3600 sets, with the system of industrial parts manufacturing capacity. Also set up independent 3 operations center (Taiwan operations center, operations center in Singapore and Shenzhen operations center), responsible for worldwide customer′s business cooperation and technical support.

In-saiL Hardware & Sandum Precision to force Leasan Enterprise Group as the basis, will focus on the quality and delivery of client work together to contribute our wisdom and strength for the development of the global manufacturing industry.
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NameMs. Lisa Xiao
Address Jinxing Building 13c, Heping Industrial Park, Changyong Road, Longhua District, Shenzhen, Guangdong, China
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Products Details
Small and Heavy Duty coil Torsion Spring for Automotive


Company Profile

Quality is our culture
A trustworthy partner

In-saiL is dedicated to manufacturing of precision components and the design, fabrication of engineering specialty fasteners and fastening solution development.
Manufacturing Capability
We have powerful manufacturing capability, our automatic lathes, CNC lathes, CNC machining centers, stamping machines and cold heading machines plus auxiliary equipment  like milling machine, grinding machine, EDM and the cooperation of our partners, we are able to support every different components regardless of the prototyping or series production.

About Us:
Sandum/In-saiL offers a wide range of Self Tapping Threaded inserts for Aluminium, cast iron, plastics and NF metals. These available in sizes M2 to M30 and equivalent UNC, UNF and BSW threading. Self Tapping Threaded Insert is designed as a permanent fastener in materials which are of insufficient strength to sustain applied loads in threads tapped directly in to these materials or where thread wear occurs due to frequent assembly and disassembly. The Self Tapping Threaded Insert is a bushing with internal and external threads designed to tap its own threads and is driven into a drilled or cored hole. The thread cutting action is performed by the holes or by the slot on the pilot portion of the inserts.

Features & Benefits include:
Tough and durable due to their substantial wall thickness, their use can reduce the thread size required due to the insert's large effective shear surface. This could save material as well as reduce cost and weight.
They eliminate the need for close tolerance holes required for tapping into the base material, damaged tools and low productivity - they need no special installation tool nor the time consuming process associated with installing a wire thread insert. Holes do not need to be separately tapped as the groove will cut its own thread so long as the correct diameter tolerances for the material and the insert are adhered to.
 
MaterialAluminum alloy,Brass,Stainless Steel,Carbon steel,according to customer's requirement
FinishMilled /Tin plating, copper-plating,hot-dip galvanizing, black oxide coating,red anodized,black anodized,painting,
 powdering,rust preventive oil, titanium alloy galvanized, silver plating, plastic, electroplating, anodizing etc.
Testing EquipmentCMM,Projector,Pull Tester,Automatic Optic Inspector,Projecting apparatus
Salt Spray Test, Durometer, and Coating Analyzer,Tensile Machine
Management SystemISO9001:2008
CertificationSGS,RoHS,Material Certication,PPAP
Production CapabilityAuto-lathe turning:ODΦ0.5-20mm,Tol.±0.01mm
CNC lathe turning:ODΦ0.5-250mm,Tol.±0.005mm
CNC Milling:800x600mm(LxW),Tol.±0.05mm
Grinding:Tol.±0.002mm
Screw heading & rolling:Metric 0.8-M6,Unified Imperial#0-1/4''
Stamping:200T max
Lead Time5-15 working days
SamplesWelcome
Delivery termBy DHL,UPS,TNT,FedEx,EMS,By Ocean,By Air
WarrantyReplacement at all our cost for rejected products
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B2 B Website
B2 C Website Shop
Member Type
Certificate
Mainly ProductsSmall and Heavy Duty Coil Torsion Spring for Automotive