About us
| Material | Brass,Stainless Steel,Carbon steel,Aluminum alloy,according to customer's requirement |
| Finish | Zn/Ni/Tin/Au plating,Black Oxide,Anodizing and so on. |
| Insert Methods | By Ultrasonic,Heat staking,Insert Molding,Cold press-in Methods |
| Quality Control | Follow Drawing Spec |
| Management System | ISO9001:2008 |
| Certification | SGS,RoHS,Material Certication,PPAP |
| Lead Time | 5-10 working days |
| Samples | Welcome |
| Delivery term | By DHL,UPS,TNT,FedEx,EMS,By Ocean,By Air |
| Production Capability | Auto-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 |
We are the leading manufacturer of Brass threaded inserts for plastics industries, communication equipments, automotive industries, electrical & Wiring device cases etc. We offer a full line of brass inserts for all methods of installation, including: ultrasonic, heat, thermal, press-in and mold-in. Although we produce various brass inserts as per custom design & specification, we have standard series of Threaded Inserts such as Straight Hole, Blind (Closed bottom), Collar Inserts, Ultrasonic, Press in, Tri Slotted Inserts etc. Around 3.5 million pieces of variety of brass inserts are manufactured by us per month to cater the voluminous demand of all our giant OEMS around the globe. Material: Generally Free Machine Grade of CuZn37Pb3 equivalent to BS 2874 is used to manufacture various brass inserts in form of round, Hexagon, Square etc. Other grades which are followed as per custom requirements are CZ 121, CZ 131, C3604, CDA 360 and DTD 627 etc. Key Features: Thread Size Starts from M1.6 to M50. BA, BSW, BSPT, BSF & American Threads like UNC, UNF, UNEF and NPT are also available as per custom requirements. Straight, Diamond, opposite diagonal etc. are the knurling options available to give solid gripping to Molding applications. Inserts available as per Class 2B ANSI/ASME B1.1 & Confirms to ISO metric 6H Thread Standards. Inserts with collar series provides Options to use Flange to make Electric Contact. Ultrasonic series with Opposing Diagonal Knurls provide excellent Torque Resistance Vertical Undercuts in Tri Series Provides Superior Tensile Strength Blind thread or closed bottom Inserts prevents plastic from entering the bottom of the insert. Finish: Generally Brass Inserts comes with the Natural, Nickel & Tin Finish. But Surface Finishes such as Chromium, Silver, Gold, etc. can be done as per customers requirement.
Brass Threaded Inserts
Brass Knurled Inserts
Brass Inserts for Plastics
Brass Inserts for Wood and Clipboard
Ultrasonic range of Brass Inserts
Heatbit range of Brass Inserts
Press-in Inserts with and without collars
Molded-in Inserts
Also Available :
Brass Round Knurled Inserts
Brass Hexagonal Inserts
Brass Square Inserts
Special Features of Brass Inserts:
· Threads as per International Go & Not Go Standards.
· Deep Groove for maximum Pull Out Resistance.
· Inner Diameter (I/D) after Threads with very close tolerance to prevent unnecessary flush to enter into the brass inserts.
· Knurling Available :
o Diamond
o Straight
o Unidirectional
· Both blind and through brass inserts are available with no minimum Qty.
Length / Size :
· Begins from M2 or equivalent threads and up to any size as per custom design or requirement
Typical Application :
· Instrumentation, Telecommunications, and other Plastic Cases Assembly.
Threads :
· ISO Metric (MM Threads)
· BA, BSW (Inches), UNC, UNF or
· Any as per custom design
Material :
· Free Cutting Brass IS 319 Type (I) or BS 249 Type (I) or High Grade
· Any Special Brass Material Composition as per customers requirement
Finish And Coating :
Natural, Nickle Plated, Tin Plated brass inserts or any coating as per customer specification.
Any kind of special brass inserts can be developed and supplied exactly as per
customer specifications.
In-sail/Sandum is dedicated to manufacturing of precision components and the design, fabrication of engineering specialty fasteners and fastening solution development.
We got rich experience and solid technical base as well as advanced facilities to meet the OEM need of all industries. Totally we own automatic lathes, CNC lathes, CNC machining centers, stamping machines, cold heading machines and other machines, which add up to almost 500. Our clients, who are in industries like automotive, medical equipment, consumer electronics, fiber optic, automation, aerospace and precision instrument, spread all over the Greater Chinese region, Europe and North America.
We stress our importance in the fastening field, especially when refers to the insert fasteners. We are one of the few Chinese companies who had tight cooperation and connections with worldwide famous fastener giants on the insert for plastics, sheet metal fasteners, self-tapping threaded insert, we are the top manufacturer of those fastener in China. Our abundant ranges and excellent quality have won good reputation both in homeland and abroad.
Since the inception, we have been sticking to the enterprise philosophy- [Integrity & Responsibility, Best Quality, Customer First, long term Operation] and striving to continual innovation and improvement. We have established our R&D System, Process System, QC System and Customer Service System to support company development and customer needs. We work tightly with our customers to develop new products and markets, from the prototyping to massive production, we offer our best qualified products, optimized lead time and services to reduce cost and create values for our customers.
Purchase a large number of high precision manufacturing equipment, such as CNC lathes, CNC milling machine, CNC grinding machine, precision press and injection molding machine more than 3600 sets, with industrial components manufacturing capability of the system. Also set up independent operation center, is responsible for worldwise customer's business cooperation and technical support.
In-sail Hardware & Sandum to force Leasan Enterprise Group is in accordance with the trust, with a focus on quality and delivery of customers hand in hand, contributing to the development of the global manufacturing industry of our wisdom and strength.
1. All kinds of parts assembly system (fasteners, welding parts, etc. ).
2. Precision metal machining parts and engineering plastic components.
3. The automotive, medical, 3 c product with precision mechanical components.
4. The automation in all kinds of precision components
5...Plastic and stamping die with precision parts.
6. All kinds of mechanical processing tools and measuring tool.
In-saiL is pleased to create bright future with you!
