Pilot Punches Button Dies Block Dies Punch Guide Bushings Carbide Pilot Punches

JLS precision produces quality, tight tolerance tungsten carbide bushings, steel and carbide soldered bushings at prices 10%-20% lower than our competitors. We understand 100% accuracy, outstanding service, and rapid delivery save our customers time. Through the years we have gained a reputation for providing reliable products with satisfactory customer service. We are the direct factory in China, using tungsten carbide with hardness up to 88-92HRA. Grades such as WF30, WF20, KG7 or specified by customers. The mirror surface is supported. We perform 100% inspection to each product to make sure every piece of products is perfect with flawless surfaces when delivery to customers.

Our inspection facilities:
Nikon Digimicro Stand
MD100 Round test
Mitutoyo Digimatic Micrometer
CGl0-150: Vernier Caliper
Mitutoyo Internal Micrometers
Easson Profile Projector
Test Gauge
Block Gage
Concentricity Tester
Roundness Tester
Mitutoyo Indicating Micrometer
Coordinate Measuring Machine

Production equipment:
Middle-Speed EDM Machine              2
EDM Cutting Machine                          2
CNC Lathe                                               2
Surface Grinding Machine                   6
Internal Grinding Machine                  2
Centerless Grinding Machine              3
Punch Grinding Machine                     9
Typed-15 Desktop Lathe                      2
Typed-15 Desktop Lathe                      1

We make high precision tungsten carbide press-fit drill bushings according to specific drawings. Our products cover precision carbide punch and die, carbide round parts, extrusion dies, carbide nozzles, precision ceramic parts, steel and carbide soldered parts, steel round parts according to customers’ drawings. Our commitment is to service our customers with highly skilled technical support, high precision and quality products, fast delivery, and competitive prices. Our products are mainly exported to Japan, Germany, Italy, France, Switzerland, North Europe, etc. We are very strict about quality and dimensions.  

WHY CHOOSE US?

Tight tolerance up to 0.001mm;

Smallest outer diameter we can make can be up to 0.1mm;

Highly polished surfaces (Lapping) for I.D. and O.D. supported;

Grinding, EDM, Wire-Cut, Lapping, Mirror surface polishing, and PG ( Profile Grinder) are our specialties;

We perform 100% INSPECTION of each product to make sure all dimensions are within tolerance, and every piece of products is perfect with flawless surfaces when delivering to customers.

The pass rate is above 98%. We repair or re-make the parts that are not accepted by clients.

we pay close attention to the whole manufacturing process and report to customers, respond to customers’ inquiries within 24 hours.