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About us
About us
Beidou Star Mold Tool Co., Ltd. is a China-based manufacturer focused on drilling & milling tools with over 20 years of experience.
We combine R&D strength with strict process control to deliver reliable, high-performance solutions.
Our portfolio covers Modular Crown Drills, Indexable Insert Drills , Spade Drills, Single-Edge Drills ,Deep-Hole Gun Drills,Large-Diameter trepanning tools(VMD&VMC ), and custom specials (OEM/ODM).
Living our philosophy of “Details Determine Quality” we pay attention to every link—materials, heat treatment, grinding, and inspection—to ensure consistency.
Originating from a machining background, we understand users’ needs and help them lead with faster processing, lower total cost, and greater profitability.
Company News
How to choose U drill(SP or WC ) for processing?Indexable Drill-U drills
The two most common types on the market are the SP series and the WC series.
While the drill bodies share the same precision standards, their cutting geometries make them suitable for different machining priorities.
SP se
Created on 10.20
To save materials and make more workpieces, use - core drill/center drillCore Drill - Precision core drilling tool to improve processing efficiency and accuracy
In modern manufacturing, with the increasing requirements for machining accuracy and efficiency, core drills, as a highly efficient and precise drilling tool, hav
Created on 10.14
Introduction of screw countersunk chamfer drillScrew countersunk chamfer drill
It is a high-efficiency composite tool suitable for various CNC machining centers, mainly used for forming screw holes. This product adopts innovative one-tool forming technology.
Able to complete drilling, countersink
Created on 09.19
Introduction of SF series single-edge drillIntroduction of SF series single-edge drill
The picture on the right shows the typical appearance of the SF series multi-functional single-edge drill bit, which is the representative image of this series of tools.
Also known as Multi-purpose vehicle
Created on 09.02
VMD &VMC Large Drill Introduction右图所展示的是 VMD 深孔大钻头（Large-Diameter Deep-Hole Drill） 的典型外观，
是此系列工具的代表形象。
材质：以川润(CHUAN RUN)品牌为主，钻杆材质42CRMO ，
而刀片和中心钻为硬质合金（如 TiN-H 涂层），其结构坚固耐用
VMD 大钻头是一种 可转位、模块化设计 的大直径深孔加工刀具，常用于加工直径 Φ45–Φ180 mm 以上需求更大直径欢迎咨询)的大孔，并能在一次加工中完成 高效率、深度 3–10 倍直径 的钻削任务。
其核心优势在于
Created on 08.11
Modular Drill -HLD Series Introduction
HLD Interchangeable Modular Drill
Because the drill tip resembles a crown, it is also called a Crown drill.
LD crown drills are suitable for drilling applications with a diameter range of 12.5-40 mm (4921-1.5748 inches) and a maximum diameter of 1
Created on 07.16
CIMT 2025 successfully concluded CIMT 2025 successfully concluded
CNC tools: Ignite new global manufacturing potential with the power of innovation!
Introduction:
Showing smart manufacturing and green innovation, Chuanrun tools made their debut. Technical exchanges promoted industr
Created on 05.07
Install ERO/SLO Oil tool holderERO/SLO Oil Tool Holder (External Cooler to Internal Cooler Tool Holder) Installation and Adjustment Steps
1. First, confirm the distance from the center of the ERO/SLO Oil tool holder (external cooler to internal cooler tool holder) to the position
Created on 03.28
Mold Manufacturing: Frequently Asked QuestionsWhat is the most important and decisive factor when selecting mold steel?
Forming Method – Two basic material types can be chosen:
A) Hot-working tool steel, which can withstand the relatively high temperatures of die casting, forging, and extrusion.
Created on 2024.05.09
Spade Drill introduction
Spade Drill Diameter
Range: ø9.5mm~ø114mm Effective Length: 50/70/100/150/200/250/300/350/400/450/500 mm The insert design is suitable for deep hole machining.
The helical insert design and central sprue (internal cooling) optimize chip removal.
A
Created on 2024.04.22
Dongguan cutting tools are going nationwide! Over 110 Dongguan companies are looking to capitalize on the 2024 ITES Shenzhen Industrial Exhibition.Dongguan cutting tools are going nationwide! Over 110 Dongguan companies are looking to capitalize on the 2024 ITES Shenzhen Industrial Exhibition.
东莞+2024-03-31 11:46:44
From March 28th to 31st, the four-day 2024 ITES Shenzhen International Industri
Created on 2024.04.03
U Drill IntroductionU钻的加工特点是什么？U钻又叫浅孔钻、快钻、暴力钻、T钻、刃钻等，标准名称应该是机夹钻或刃钻，
U钻是山特维克的名字，因为一流企业做标准，大多数人都遵循这个名称，还有其他名称，例如爆炸钻，飓风钻等，都是指这种钻。
Since its development, U Drill has evolved into several different forms:
WC Diameter: 10-70mm, Length: 2/3/4/5/6D (Compatible with WCMT inserts
Created on 2024.03.22
On March 28, 2024, Chuanrun showcased its latest technologies at the ITES Shenzhen Industrial Exhibition, leading the industry's innovative development.
Shenzhen (March 28) – ITES Shenzhen International Industrial Manufacturing Technology and Equipment Exhibition (ITES Shenzhen), one of China's largest industrial exhibitions and a recipient of the "Shenzhen Brand Exhibition" award for 13 consecutiv
Created on 2024.03.22
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