Bestsellers
Top selling products
DIN338 HSS M35 Cobalt Finish Stright Shank 135 Degree Twist Drills1.Cobalt drill bits are more expensive than other drill bits, but if you regularly drill through metal, they are a good investment since they tend to last longer.Amber Color (Bright, Black Oxide, Titanium, Black & Gold, Black & Bright are Available)
HSS Straight Flute Step Drill BitsDIN1412C standard HSS P6M5 M2 fully ground Titanium coated step drill bit set for metal drilling
Hss Step Drill Bit, we have different material, HSSM35, M2, 4241. Straight flute and spiral flute, bright finish, Tin coated, amber finish. Hex shank and three flat shank, Drilling for Stainless steel, iron, steel, aluminum, wood, sheet iron & aluminum, plastic etc
About Us
Our Company History
Danyang Chaohui Tools Co., Ltd. is a professional manufacturer specializing in the production of foam guns, caulking guns, Tct saw blades, diamond saw blades and drill bits. We have consistently adhered to our core philosophy: providing high-quality products paired with the most competitive prices that match our strict quality guarantees.
Every year, we make unremitting efforts to develop an increasing number of new models, covering not only our classic foam gun and caulking gun series but also our expanded product lines of alloy saw blades, diamond saw blades and drill bits. Through continuous technological R&D and innovations—applied comprehensively across all our product categories—Chaohui maintains an advanced and leading position in the global tools market. This industry leadership is strongly validated by numerous awards and product certifications granted by prestigious authoritative institutions.
WHY CHOOSE US
Four major advantages
High cost-effectiveness
Adhering to the core concept of "high quality + competitive price", while ensuring strict quality control, we provide customers with cost advantages and meet diverse procurement needs.
High cost-effectiveness
Adhering to the core concept of "high quality + competitive price", while ensuring strict quality control, we provide customers with cost advantages and meet diverse procurement needs.
Full-category R&D advantages
We continue to develop new models every year, covering classic foam guns, caulking guns, and expanded TCT saw blades, diamond saw blades, and drill bit product lines, maintaining industry leadership through technological innovation across all product categories.
Full-category R&D advantages
We continue to develop new models every year, covering classic foam guns, caulking guns, and expanded TCT saw blades, diamond saw blades, and drill bit product lines, maintaining industry leadership through technological innovation across all product categories.
Advantages of authoritative certification
Relying on full product technology research and development and innovation, we have won multiple awards and product certifications issued by well-known authoritative organizations, which effectively verifies our industry-leading position and enhances customer trust.
Advantages of authoritative certification
Relying on full product technology research and development and innovation, we have won multiple awards and product certifications issued by well-known authoritative organizations, which effectively verifies our industry-leading position and enhances customer trust.
Global export advantages
Since 2021, our products have been exported to nearly 30 countries including Germany and Spain. We have mature international supply chain capabilities and are a reliable international manufacturer and supplier in the tool industry.
Global export advantages
Since 2021, our products have been exported to nearly 30 countries including Germany and Spain. We have mature international supply chain capabilities and are a reliable international manufacturer and supplier in the tool industry.
factory
Welcome to visit our factory anytime
Equipped with a mature production system, relying on technological research and development to continuously iterate products, strictly adhering to quality control standards, and supporting product exports to nearly 30 countries, we are a trusted tool production partner for customers around the world.
Chaohui saw blades have precise cutting and competitive prices. We have been cooperating with them for 3 years and have a stable supply. They are our reliable partner.
Ahmed
from Egypt
The product has passed authoritative certification, so you can use it with confidence. The delivery time of export orders is also accurate. We will cooperate with you for a long time.
Kim
from South Korea
The foam guns and drill bits are of excellent quality, and the after-sales response is fast, which helped us solve many purchasing problems.
Sophia
from Australia
Testimonial
Satisfied Clients Speak Out
As a reliable international manufacturer and supplier in the tools industry, Chaohui has been exporting its full range of products (including foam guns, caulking guns, Tct saw blades, diamond saw blades and drill bits) to Germany, Spain, Hungary, Italy, Poland, Romania, Russia, Ukraine and nearly 30 other countries worldwide since 2021.
NEWS & ARTICLE
Extensive Industry Experience
Dripless Dual-Cartridge Caulking Gun: Innovation for Multi-Material ApplicationsDanyang Chaohui Tools disrupts the market with its new dripless dual-cartridge caulking gun, compatible with both 1:1 and 2:1 ratio adhesive cartridges . The patented stop-flow mechanism releases pressure instantly when the trigger is released, eliminating messy drips that waste material and mar surfaces .Learn More
The Ultimate Guide to Using a Caulk Gun Like a ProThis in-depth guide provides professional insights into using caulk guns effectively, with additional tips for related tools like foam guns, saw blades, and drill bits. It covers selection criteria, application techniques, maintenance, and industry standards.Learn More
