Custom processing,Precision mold parts, mold core, cavity processing,plastic mould parts,mould parts

KOTO Mould 

Customized mold components, machining parts factory

Stavax ESR blood collection tube thread mold core inserts

Stavax ESR blood collection tube thread mold core inserts For plastic injection molding

Mold core insert is a process in which plastic is injected into a mold that contains an pre-placed insert. The result of insert molding is a single molded plastic piece with an insert surrounded by the plastic. Inserts can be made of metals or different types of plastic. Insert molding is used in many industries.

Product Detail




Heat treatment



Make mold insert according to customer’s design

Closest tolerance

+ – 0.01mm







Our products including: plastic mold core pins and inserts, mold cavities, mold cores, sliders,movable core components, etc. They are widely used in medical, cosmetics, automotive die-casting, daily packaging, electronic appliances and automation and other industries.

Business Range
Manufacturing & inspection capacity in steel, stainless and copper materials for precision mould parts,Cavity pins, core pins,Punches,Ejector sleeve,CNC machining parts etc…
Services:CNC machining,CNC Milling,Sodick EDM,Sodick Wire-cut,OD grinding,ID grinding,Surface grinding,Thread grinding,Polishing etc..
Industries Served: Medical/Packaging/Aerospace/Electronic

Application field
Automobile parts, medical, daily necessities packaging, cosmetic packaging, etc.

Why choose us

We as a manufacturer are specialized in all kinds of precsion core pins cavity pins insert pins

Good experience of 8 years to make Stamping die parts,Injection die parts,Auto parts, metal-working products.

Have advanced production equipments and experienced operators.

Good experience of OEM and ODM for our customers.

Provide best price, good quality and fast delivery.

Payment Terms
T/T,Paypal,Western Union,50% deposit, balance before shipment is available

Coated with anticorrosive oil, packed in carton box

Shipment ways
DHL,TNT,Fedex are available


(1) Highly polished finish 6-8 micro finish.

(2) Precision form ground to close diameter tolerance +/-0.005mm

(3) Common fractional sizes available up to 3 1/2″ long.

(4) STAVAX ESR is high quality stainless steel material.

(5) Custom sizes can be made to order up to 1″ diameter.

(6) Custom hardness RC 50-52.

How to order?
(a) Please send us drawing or sample(non-standard parts).
We can sign NDA if the file is belongs to intellectual property and confidential.
(b) We evaluate the drawing and requirement immediately.
(c) We try to send the offer at the same day back to customer.
(d) If we both agreed on the offer, for trade rules, we accept 50% Deposit before order, and 50% Balance when shipment is taking.Then we can start manufacturing or sample process.
(e) Our production time usually takes 10-15 working days,sample process takes 10 days. It depends on order quantity and product itself.
(f) We can ship the parts by express,air,sea according to your need.

To make the inquiry efficient and without confusion, please try to give me the following details of your products during your inquiry:

1) Custom mold parts’ design.
2) Parts material.
3) The mold parts’ dimension and the tolerance.
4) The material hardness, the surface treatment.
5) Quantity.

I think a lot of items will match your interest,and really hope to establish business relationship with you!
Any questions,pls feel free to contact me at any time.

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Quality Guarante


Offer will be provied within 1 working day
Mobile: 86-15007699599