M1.6~M5.0 Taiwan Superior Steel 16.4 Grade Turning Milling Lathe Tool Holder Insert Screw

$207.00 / Piece | 1000 Pieces (1 lot) (Min. Order)
1 batch = 1000 Pieces
Machine Screws
4mm 3mm 4.1mm 5.0mm 3.3mm 5.5mm 6.0mm 4.8mm 7.0mm 8.0mm 6.5mm 7.3mm 10.0mm 9.0mm 9.5mm 12.0mm 8.2mm 11.0mm 13.6mm 16.0mm
Thread size:
- +
- +
- +
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Shipping fee:
Depends on the order quantity.
Lead Time:
30 day(s) after payment received
Customized logo (Min. Order: 30000 Pieces)
Customized packaging (Min. Order: 30000 Pieces)


Graphic customization (Min. Order: 30000 Pieces) Less
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Samples - $0.60 /Piece, 1 Piece (Min. Order): Buy Samples
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Quick Details
Plain, Black Oxide, ZINC PLATED
Stainless Steel, Steel, Special stainless Steel
Measurement system:
INCH, Metric
Head Style:
Truss, Flat, HEX
Place of Origin:
Taiwan, China
Brand Name:
Cheng Hao
Model Number:
Turning Tooling insert screw
Product name:
Turning, milling Tooling Insert Fasterner
Thread Dia:
Head type:
Flat, Oval Flat
Drive type:
Head Angle:
40, 45, 50, 60, 70
Thread type:
Machine screw
Salt Spray Test:
Payment term:
T/T down payment 30%, Balance 70%

Packaging & Delivery

Selling Units:
Multiple of
Package size per batch: 
15X10X1 cm
Gross weight per batch:
0.6 kg
Package Type:
bulk/carton/pallet, plastic bags/canton/pallet, small boxs/carton/pallet,or customer request
Lead Time :
Quantity(Piece) 1 - 30000 >30000
Est. Time(days) 30 To be negotiated
Video Description
Product Overviews

          M1.6~M5.0 Taiwan Superior Steel  16.4 Grade  Turning Milling Lathe Tool Holder Insert Screw

At least 3 times longer than normal screws and never get stuck.

 Superior stainless steel fastener

 At least three times more efficient than existing Turning, milling insert screws. According to European and Japanese companies in turning, milling blade solutions, they are the best screws ever. Now some Turning milling cutter manufacturers have completely replaced traditional screws and changed them to special process screws to make their products more competitive.







Cheng Hao


















Product Effects



The common known disadvantages of traditional fastening screw:


A. Cannot be tight in enough to maintain insert.

B. TORX (or HEX Drive) cause to easy deforming or defect cannot tight

        in or be removed then complete holder need to be replaced.

C. Normal screws cause to head break easily.

D. Screw and holder get rusty easily which cause to jamming, cannot be

        Removed or tight in.

E. Each operation of screw needs lubrication to preventing jamming.

F. Screw self-life too short, spare parts frequently needed.


Turning screw size


Product Overviews



Advantages of new material:


A. New material is high corrosion resistant, can resist chemical corrosion cause from cutting oil & lubrications. Screw can be tight strong and safe without jamming. Salt spray test more than 6000 hours, withstands Kesternich test at least 71 cycles, corrosion resistance 30 times better than traditional fasteners.

B. High hardness, screw drive (TORX) will not deform or defect easily.

C. High hardness, head brake chances minimized.

D. Threads will not rust from cutting oil/lubrication cause jamming.

E. The high corrosion resistance of new material can prevent thread jamming caused from rust, can safe maintenance time for lubrication while changing cutting blades

F. Can driven completely tight, preventing vibrations while operating which cause to cutting plate damages. Full tightness can also increase accuracy of working part, and increase shelf-life of cutting/milling plate.

G. Screw endurance of new material is three times higher than traditional screws.

H. Operative temperature is higher than SCM435 approx. 135-%.150° C



Company Information

Introduction of our company (new material special stainless steel )

Our company is composed of a group of professional experts of metal fasteners who have accumulated many years of experience in marketing and manufacturing. We specialize in developing, manufacturing and sales of the fittings in C-parts. As Taiwanis marching towards the accurate market, the traditional suppliers model of direct mass supply is unable to catch up with the trend for modern industry to attain pluralism and simplicity. We believe that after you review the professional assessment and proposal provided by our company, you will choose us to be your business partner for One Stop Shopping. We will help you to streamline your procurement process, to effectively improve your ability for competition, to well position your company in the global business.Products Application:3C electric/PCB/ Auto/Motorcycle/Bike parts/Houshold Appliances/Machine Industry/Medical Appliance/Aerospace Industry/News Report Appliance/Video & Sound Equipment/Precision Instrument /Toy Products,etc  Material can be carbon steel,stainless steel ,brass,aluminum,titanium,




Our Services

Why Choose Us 

Our principle of Business Operation and Management

For business operations and management, we take our clients as our top priority and our principle is to provide the products and services of premium quality with sincerity in a practical and speedy way. We take pride in addressing customers’ concerns and fulfilling clients’ needs for products. In addition to supplying products to the domestic relevant special industry, we have also been actively cultivating the global market and have earned deep trust and strong support from our clients.

Management Strategy

We focus on and specialize in developing, designing and manufacturing of premium fittings in C-parts. With our professional analysis and planning, you can easily resolve the tough issues for fasteners procurement and maximize your profit. Please contact us for any support to fulfill your business needs. We will definitely do our best to serve you in a speedy way.