High Precision JIS B6339 coolant Pull Stud

High durability JIS B6339 coolant Pull Stud 

Brief introduction

JIS B6339 Retention Knob coolant Pull Stud, tool stud. Pull studs of minor quality not only decrease the performance of the machine,they are even a safety risk.
A breaking pull stud might cause severe damage on machine and workpiece and even injuries on persons.

Pull stud is mainly used for connect the tool spindle and tool holder.

We have many kinds of pull stud.Such as BT(MAS403) PULL STUD,DIN69872A/B Pull Stud,ISO7388A/B Pull Stud,CAT40/50Pull Stud,JIS B6339 Pull Stud,SR Pull Stud,Pull Stud for carving machine,Pull Stud for morse taper without tang,BT-CAT Inch Thread Pull Stud,CAT-JT metric thread Pull Stud , Upgraded Pull Sutd CAT-MAZAK and so on.

Comprehensive features of JIS B6339 Pull Stud

1.Material:20CrMnTi.

2.Carbon depth:>0.8.

3.Head hardness 54-57HRC

4.Thread hardness is a little low:30-40HRC(Protect shank thread,core hardness can resist hit).

5.Cryogenic treatment and thermal aging treatment can reduce the inner residual stress,improve durability and precision stability.

6.Appearance Electroless plating process improve surface hardness durability,cleanness,precision stability,the surface is more smooth,anti-rust and anti-corrosion is better,feel comfortable and surface is more nice.

Products advantages

1.After heat treatment,and then quenching,cleaning,tempering,pull the nail out hard,not easy to fracture.

2.The use of flexible steel material.

3.BT conical shell cutter shank:JIS B6339 30P/40P/50P.

4.Suitable milling cutter:13mm-50mm.

5.Precision is less than 0.01mm balance 8000rpm.High accuracy can also be made according to your requirements.(G6.3/12000RPM,G2.5/20000RPM)48-55HRC hardness.

6.Suitable for pulling the sutb with the milling cutter disk is also required.

Type

BT-A: Central coolant without O-ring

BT-B: O-ring without central coolant

1.Package: plastic boxes and also can pack according to your requests.
2.Delivery time:Sample within 7 days and others 35 days.

I    Fast reply 

II   Favourable price

III   High quality products

IV   Fast delivery

V  Good after-sales service

1.Are you factory or Trade Company?
We are industry and trade integration.

2.Could you supply samples?
Yes ,free samples for some products.

3.Where do you export?
The whole world.

4.Could you produce non-standard products?
Yes ,we can .Please supply samples or drawing.

5.What are the shipping ways?
By intemational express,by air ,by sea are all OK.

6.Do you have minimum order quantity?
Conventional Products don't have.The minimum order quantity of non-standard products is 50pcs.

7.What's your delivery time?
Less than 25 days after order confirmed.