DIN373 Solid Pilot Countersink Drill Bit HSS Slotting Socket Flat Bolt Hole

• Customization: Available
• Customized: Non-Customized
• Certification: ISO
• Model NO.: M5*10*5.5*8.0*80L*3F
• Usage: Metal Drilling
• Material: High Speed Steel
• Use: Metal Drilling
• Type: Core Drill Bit
• Screw Size: M3-M12
• Diameter: 12-65mm
• Transport Package: Plastic Box + Carton Box
• Specification: M3-M20
• Trademark: SEPAL
• Origin: China
• HS Code: 8207509000
• Production Capacity: 100000PCS/Months

Product Description

Din373 High speed steel socket screw counterbore with pilot

• 3 flute design
• Right-hand cutting
• Nominal size to suit metric socket head cap screws
• Cobalt High Speed Steel enables counterboring in high alloy steels
• Specifications: Screw size:3mm-20mm; Pilot diameter:3.4mm-21mm; Cutting diameter: 6mm-33mm.
• Features: 3 flute,straight shank or taper shank,solid pilot,high speed steel.
• Counterbore sets available.
• High toughness, abrasion resistance, high-speed cutting for the high hardness.
• Reduces times of changing tools, improves machine actuator movement efficiency and save mold making time.
• Suitable for milling of copper, aluminum, steel, cast iron, etc.An essential hardware tool for industrial.
• Plain shank counterbores made to BS328 Part 5, ISO and DIN373 standards.

 

Bolt size	Ø Dc	Ø Dt	L	Ø Ds
M3	6,0 mm	3,4 mm	71 mm	Ø 5 mm
M4	8,0 mm	4,5 mm	71 mm	Ø 5 mm
M5	10 mm	5,5 mm	80 mm	Ø 8 mm
M6	11 mm	6,6 mm	80 mm	Ø 8 mm
M8	15 mm	9,0 mm	100 mm	Ø 12,5 mm
M10	18 mm	11,0 mm	100 mm	Ø 12,5 mm
M12	20 mm	13,5 mm	100 mm	Ø 12,5 mm
M3	6,0 mm	3,2 mm	71 mm	Ø 5 mm
M4	8,0 mm	4,3 mm	71 mm	Ø 5 mm
M5	10 mm	5,3 mm	80 mm	Ø 8 mm
M6	11 mm	6,4 mm	80 mm	Ø 10 mm
M8	15 mm	8,4 mm	100 mm	Ø 12,5 mm
M10	18 mm	10,5 mm	100 mm	Ø 12,5 mm
M12	20 mm	13 ,0 mm	100 mm	Ø 12,5 mm
M3	6,0 mm	2,5 mm	71 mm	Ø 5 mm
M4	8,0 mm	3,3 mm	71 mm	Ø 5 mm
M5	10 mm	4,2 mm	80 mm	Ø 8 mm
M6	11 mm	5,0 mm	80 mm	Ø 8 mm
M8	15 mm	6,8 mm	100 mm	Ø 12,5 mm
M10	18 mm	8,5 mm	100 mm	Ø 12,5 mm
M12	20 mm	10,2 mm	100 mm	Ø 12,5 mm

 

Customers Visiting

Our Service:

*We can produce products according to your drawings.
 *We can provide professional suggestions on products
*We are a professional team and wait for you at any time.

FAQ:

Q: What are the advantages of our company?
A: We have perfect supply chain network realizing a convenuient one-stop purchase for all kinds of cutting tools and machine tools accessories.
Q: Can you supply OEM?
A: Yes, we can supply OEM and customization, but the MOQ depends on product.
Q: Do you provide samples? Is it free or extra?
A: We could offer the sample, but you need to pay the charge and the cost of freight.
Q: How long is your delivery time?
A: 3-5 days for normal order, delivery time depends on order qty. If you need to customize, the time will be calculated separately.

Our Market:

 

Buyer Notice:

In order to improve our efficiency of communication, kindly inform us the following information while sending us inquiries:

1.Specific sizes or drawings .

2.What material will be cutting.

3.Purchase quality of each item.

4.Special requirements.

Packaging & Shipping: