HSS M42 Ball Nose End Mills

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M42 HSS end mills

1. ball nose

2. Various specifications to meet your needs

3. Popular product with high quality

End mill:  M42 ball nose HSS end mills


Product details




M42 ball nose HSS end mills


Material :








1.5 to 25, 1/8 to 1


Pakcaging & Delivery details




Inner box/carton/pallet, or in bulking or according to the requiements of the clients.




International express by DHL, UPS, FedEx




Within 3-10 days after deposit or payment received


Payment terms:


L/C, Paypal, Western Union, or 30% pre T/T 70% balance before shipment



1. High quality, competitive price, excellent service and prompt delivery

2. Different standards of your choice

3. All products have passed internation standard

4. Big stock: over 800 tons each specification

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Q:What a few general tolerances reamer level holes to machining, such as phi 10H7, the high precision hole boring
General drill can reach IT9, higher requirements of the holes are required reamer, different reaming Reaming accuracy is not the same, generally reached IT7 is no problem, your H7 is 7 class tolerances
Q:Can we use milling cutters instead of reamer to process holes, the accuracy of holes H7
With the milling cutter hole processing, smoothness, wear resistance and hole verticality without reamer processing is good, so if only a small amount of processing holes, or the requirements of the hole is not very high, then use the milling cutter will also go.
Q:Would you tell me if there is an approximate range of speed required for machine reamers in reaming?
Reaming is a principle of low speed, high intake, the speed should be as low as possible, the amount of feed can be appropriate faster.
Q:What is the machining accuracy of the reamer?
Generally can reach H8, Ra3.2. You can also reach H7, Ra1.6, and a little bit of effort".
Q:Machining center with 4MM and 6MM white steel reamer, 45 steel material, spindle speed and feed speed settings how much ah!
What size of allowance do you have?. You seem to have a small amount of feed. You use a thinner reamer and do not know how large the main deflection angle of your reamer is. If your reamer is machined to the end, there is a slight effect and the force is complex. When the chip is in a disc shape, it is difficult to discharge, and the friction between the wall and the hole is severe, so that the tool can be easily broken.It is recommended to reduce the amount of cutting and wear a certain main angle of deviation. If the aperture is relatively large, it is recommended to carry the knife often.Try using a small cutter instead of a reamer. Or buy a screw reamer directly.
Q:With a machining center, the diameter of the hole is 28, and the cutting amount of the reamer when reaming
The speed is between 380 and 500.. Feed the F150. spindle at each point. Stop the back tool. The screwed hole is free of thread. Try it.
Q:When reaming with carbide reamer, there will be a spiral mark on the hole wall. What's the problem?
How many spirals do you have?Also, send out your parameters and the current process!!There are many factors that affect spiral lines!!
Q:Would you like to make a straight hole reamer with an outer diameter of 32, an inner hole of 12, and a tolerance of -0--0.02. The inner hole and reamer must be concentric. How can I do that?
Wire cutting, but the processing fee may be more expensive.
Q:Difference between milling cutter and reamer
The reamer has a certain taper, but the pattern of the reamer is vertical ~ the knife end is relatively flat,The pattern of the milling cutter is spiral, with a sharp blade in the cross section
Q:CNC lathe reamer, how to hinge out 0.4 of the smoothness?
With a steel reamer, 0.4 is very difficult, preferably grinding
We are a young team full of creation & knowledge. We are always advocating the business faith of "honest, practical, innovative, senior". We adhere to the enterprise development goals of high quality, best service, timely innovation, and win-win cooperation all the time. we believe in the purchasing policy of "try our best to bring your cost down". If you plan to purchase goods to reduce your cost, please let us have a chance to quote at your needs. We are capable of providing you with a profitable proposal with assurance.Hope we can build long-term and good business relationship.

1. Manufacturer Overview

Location Guangdong,China
Year Established 2012
Annual Output Value
Main Markets North America
South America
Eastern Europe
Southeast Asia
Mid East
Eastern Asia
Western Europe
South Asia
Company Certifications ISO 9001:2008

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port shenzhen
Export Percentage 91% - 100%
No.of Employees in Trade Department 6-10 People
Language Spoken: English, Chinese
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range