fbpx
Sale!

Best 1.5 to 6.5 mm Drill Bits

Best Drill Bits 1.5 to 6.5 mm 13 peices

This microbox have 10 drill bits in a convenient package each drill is made of high speed steel and this brand are 5% cobalt which gives extra strength to an already strong dril bit

$25.00

Best 1.5 to 6.5 mm Drill Bits

The perfect tool for DIY projects

HSS and 5% Cobalt

Help your drills stay sharp and strong.

This HSS Drill set(high speed steel )has 13 drill bits in a convenient package each drill is made of high speed steel and this brand has 5% cobalt which gives extra strength to an already strong dril bit.

1.5mm 2mm 2.5mm 3mm 3.2mm 3.5mm 4mm 4.5mm 4.8mm 5mm 5.5mm 6mm 6.5mm

 

Drill Manufacturing Process

For high quality products and stable supply, we have several inspection processes in our drill manufacturing system.
Within this content, you can see the manufacturing process of under cut drills (UC type) for an example.

Whether you’re a professional or a DIY enthusiast, this drill set has everything you need from 1.5 to 6.5mm drill bits. It’s small, compact, and includes everything you need for the perfect DIY project. This product is ideal for drilling wood, plastic, and metal.

Whether you’re a professional or a DIY enthusiast, this drill set has everything you need from 1.5 to 6.5mm drill bits. The set is small and compact-perfect for when it’s time to tackle your next DIY project without sacrificing quality or speed.

When you are in need of drilling holes or just want to add new drill bits to your collection, we recommend these drill sets from Drill Bits 1.5 to 6.5 mm. They have 13 drill bits, including the ones with standard sizes like 1.5 and 3mm, in a convenient package. Each drill is made of high speed steel and this brand has 5% cobalt which gives extra strength to an already strong drill bit

what is high speed steel 

here is another tools for your workshop Mini Saw Frame with Alluminium Handle miniature saw frame

When you are in need of drilling holes or just want to add new drill bits to your collection, we recommend these drill sets from Drill Bits 1.5 to 6.5 mm. They have 13 drills, each with a different size and style, making them the perfect tool for DIY projects and professional construction work alike!

1. Incoming inspection (Tungsten carbide rod)

Check point in this processFig.1
TRS strength test (Fig.1)
Removal of defective rod (Visual inspection)
SPC method
Check sheet
Inspection sheet

2. Cutting process of carbide rod

Check point in this process Fig.2
Length of carbide chip (Fig.2)
SPC method
Cut-off check sheet

3. Composite process of carbide chip

Check point in this process
Overall length (Fig.3)
Shank to body concentricity
Tensile strength
Fig.3
SPC method
Assembly check sheet

4. Manufacturing process of drill blank

Check point in this process Fig.4
* “Drill blank” means the material befor cut flute
Diameter
Undercut diameter
Shank diameter
Cylindricity
Shank to body concentricity
SPC method
Blank check sheet

5. Intermidiate inspection of blank

Check point in this process Fig.5
Diameter (1)
Undercut diameter (2)
Shank diameter (3)
Appearance
SPC method
Blank inspection report

6. Cutting process of flute, relief and point

Check point in this process
Web thickness
Body clearance
Margin width
Margin length
Helix angle
Point angle
Primary angle
Secondary angle
Overall length
Flute land ratio
Flute length
Body length
Chisel point inconcentricity
Web taper
Fig.6
SPC method
Check sheet

7. Cleaning process

Check point in this process
No dust.
No cutting oil.
SPC method
Cleaning solution check sheet

8. Final inspection of drill (Automatic AOI)

Check point in this process
Flute length
Overall length
Margin width
Margin length
Chisel point inconcentricity
Body clearance
Web thickness
Helix angle
Point angle
Body length
Gap, Overlap
Primary flare, Primary taper
Chipping
Appearance
SPC method
Inspection sheet
Inspection report

 

check this out for you tool box Model Woodworking chisels 12 pce Best No.1

 

When you need to drill, we suggest these 13 drill sets!

 Drilling holes with any project is easy with these 13 drill sets from Drill Bits 1.5 to 6.5 mm. Get your project done quickly and efficiently by having access to the right size of drill bit for every job!

  • 5 Stars
  • 4 Stars
  • 3 Stars
  • 2 Stars
  • 1 Stars

Average Star Rating: 0.0 out of 5 (0 vote)

If you finish the payment today, your order will arrive within the estimated delivery time.

Reviews

There are no reviews yet.

Be the first to review “Best 1.5 to 6.5 mm Drill Bits”

Shopping cart