1PCS HSS 4 12 20 32mm Titanium Spiral Groove Step Drill Bit Metalworking Step Drill Hole

1PC HSS 4-12mm/ 4-20mm/4-32mm Titanium Spiral Groove Step Drill Bit Triangle Shank Metal Hole Cutter Cone Saw Stepped Drill

Model Number: 15060039001

Type: Other

DIY Supplies: Metalworking

is_customized: Yes

length: 4-12/20/32mm

Brand Name: ATOPLEE

Material: High Speed Steel

Use: Metal Drilling

is_customized: Yes

Material: High-speed steel 4241

Surface treatment: titanium

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• 100 brand new and high quality.
• It is titanium spiral groove step drill bit.
• Unique step structure, a drill can punch out a variety aperture of holes.
• Does not need center punch to assist it, compared with ordinary hemp flower drill, it is stabler and difficult to be broken.
• It has these functions that hemp flower drill does not have, such as burrs removing, chamfering, punching elliptic hole, etc.
• It is suitable for being installed on the pistol drill and bench drill, applicable for punching on these harder workpieces, such as stainless steel, carbon steel, aluminum plate, iron plate, etc.

 

• Material: High-speed steel 4241
• Surface treatment: titanium
• Shank type: Triangle Shank
•         Shank Diameter      Step Quantity              Step Diameter

     001          6mm                      5steps                    (4 , 6 , 8 , 10 , 12 )mm

     002          8mm                      9steps                    (4, 6 , 8 , 10 , 12 , 14 , 16 , 18 , 20)mm

     003         10mm                     15steps                   (4 , 6 , 8 , 10 , 12 , 14 , 16 , 18 , 20 , 22 , 24 , 26 , 28 , 30 , 32)mm

 

 

• Please water it for cooling while punching so that can prolong its lifetime, rotation rate from 250 to 400 is recommended.

 

 

• 1pc Titanium Spiral Groove Step Drill Bit

 

 

 

 

 

SHIPPING

 

Orders are usually shipped out within 1-2 business days (mostly within 24hours) via China post Air.

It will be 7 to 25 days to deliver . After it is shipped. Actual transit time varies. Mail transit time stated above is best estimated but not guaranteed.

 Items will arrive in 7 to 25 business days. The arrival time depends on some factors and different areas

 

This table only offer reference to the arrival time, doesn\'t mean we delivery to all of the following countries.

 

Please choose some local sellers. if you cannot wait patiently in the shipping time we declared.

Once you purchase. please DONT leave negative or neutral feedback if you havent received item in 30 days. because we have mentioned the shipping time repeatedly.

 

 

Returns&Warrantry

 

All the products we are selling include factory warranty. dont cover items that have been abused. burned and damaged in any form.

Please contact us via Message if you have NOT received item in 30 days. we will check it with post office. and then resend or refund any missing item.

In the unlikely event that your product is faulty in anyway. you must contact us ASAP and then return it within 7 Days of receipt. The postage and packaging fee will NOT be refunded.

We will not be responsible for the delivery or insurance charges incurred in returning item back to us. If you return an item purchased from us. it must be back in Factory Condition. This includes packaging. inserts. manuals etc. Please allow up to 5 Working Days for us to process your returned item

 

 

FEEDBACK and CONTACT US

 

 

 

Please DONT leave negative or neutral feedback if you havent received item in 30 days . because we have mentioned the shipping time repeatedly.

Our aim is to provide Top Level Customer Service. normally so we will try our best to solve any problem.

We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.

If you have any questions . please feel free to email our service specialists 8 Hours a Day. 5 Days a Week.We will reply you ASAP. If no response within 24 Hours(working day). please check the spam in your mail box