3 Flutes HSS Counterbore Drill Bit With Metric And Inch Size
Counterbore Drill
● Model: Metric And Inch Size
● Shank: Straight
● Flute: 3
● Material: HSS
Metric Size
| Size | d1 | d2 | b | L | HSS | HSS-TiN |
| M3 | 3.2 | 6 | 5 | 71 | 660-3676 | 660-3700 |
| M3 | 3.4 | 6 | 5 | 71 | 660-3677 | 660-3701 |
| M3.5 | 3.7 | 6.5 | 5 | 71 | 660-3678 | 660-3702 |
| M4 | 4.3 | 8 | 5 | 71 | 660-3679 | 660-3703 |
| M4 | 4.5 | 8 | 5 | 71 | 660-3680 | 660-3704 |
| M4.5 | 4.8 | 8 | 8 | 71 | 660-3681 | 660-3705 |
| M5 | 5.3 | 10 | 8 | 80 | 660-3682 | 660-3706 |
| M5 | 5.5 | 10 | 8 | 80 | 660-3683 | 660-3707 |
| M6 | 6.4 | 11 | 8 | 80 | 660-3684 | 660-3708 |
| M6 | 6.6 | 11 | 8 | 80 | 660-3685 | 660-3709 |
| M8 | 8.4 | 15 | 12.5 | 100 | 660-3686 | 660-3710 |
| M8 | 9 | 15 | 12.5 | 100 | 660-3687 | 660-3711 |
| M10 | 10.5 | 18 | 12.5 | 100 | 660-3688 | 660-3712 |
| M10 | 11 | 18 | 12.5 | 100 | 660-3689 | 660-3713 |
| M12 | 13 | 20 | 12.5 | 100 | 660-3690 | 660-3714 |
| M12 | 13.5 | 20 | 12.5 | 100 | 660-3691 | 660-3715 |
| M14 | 15 | 24 | 12.5 | 100 | 660-3692 | 660-3716 |
| M14 | 16 | 24 | 12.5 | 100 | 660-3693 | 660-3717 |
| M16 | 17 | 26 | 12.5 | 100 | 660-3694 | 660-3718 |
| M16 | 18 | 26 | 12.5 | 100 | 660-3695 | 660-3719 |
| M18 | 19 | 30 | 12.5 | 100 | 660-3696 | 660-3720 |
| M20 | 21 | 33 | 12.5 | 125 | 660-3697 | 660-3721 |
| M20 | 22 | 33 | 12.5 | 125 | 660-3698 | 660-3722 |
| M24 | 25.4 | 40 | 16 | 254 | 660-3699 | 660-3723 |
Inch Size
| Size | d1 | d2 | b | L | HSS | HSS-TiN |
| 5# | 0.141 | 0.221 | 3/16 | 3 | 660-3724 | 660-3739 |
| 6# | 0.150 | 0.242 | 7/32 | 3 | 660-3725 | 660-3740 |
| 8# | 11/64 | 19/64 | 1/4 | 3 | 660-3726 | 660-3741 |
| 10# | 13/64 | 21/64 | 9/32 | 3-1/2 | 660-3727 | 660-3742 |
| 1/4 | 9/32 | 13/32 | 5/16 | 5 | 660-3728 | 660-3743 |
| 5/16 | 11/32 | 1/2 | 3/8 | 5 | 660-3729 | 660-3744 |
| 3/8 | 13/32 | 19/32 | 1/2 | 6 | 660-3730 | 660-3745 |
| 7/16 | 15/32 | 11/16 | 1/2 | 7 | 660-3731 | 660-3746 |
| 1/2 | 17/32 | 25/32 | 1/2 | 7-1/2 | 660-3732 | 660-3747 |
| 1/2 | 9/16 | 13/16 | 1/2 | 7-1/2 | 660-3733 | 660-3748 |
| 5/8 | 21/32 | 31/32 | 5/8 | 7-1/2 | 660-3734 | 660-3749 |
| 5/8 | 11/16 | 1 | 3/4 | 7-1/2 | 660-3735 | 660-3750 |
| 3/4 | 13/16 | 1-3/16 | 1 | 8 | 660-3736 | 660-3751 |
| 7/8 | 15/16 | 1-3/8 | 1 | 8 | 660-3737 | 660-3752 |
| 1 | 1-1/16 | 1-9/16 | 1 | 10 | 660-3738 | 660-3753 |
Machinery Part Fitting
The HSS Counterbore Drill is a versatile and precise drilling tool, extensively used in various industries. Its main applications include.
Machinery Manufacturing: In machinery manufacturing, the Counterbore Drill is used to create precise, clean holes for parts and assembly fitting.
Automotive Flush Mounting
Automotive Industry: In the automotive industry, the Counterbore Drill is utilized for making bolt and screw holes, ensuring flush fitting of parts, critical for both aesthetics and aerodynamics.
Aerospace Component Fabrication
Aerospace Engineering: Due to its high precision, the Counterbore Drill is employed in aerospace engineering to fabricate components requiring strict tolerances and hole integrity.
Metal Drilling Efficiency
Metalworking: Particularly suited for creating holes in hard metals, the Counterbore Drill excels in metalworking tasks.
Wood and Plastic Hole Quality
Woodworking and Plastics: The Counterbore Drill’s smooth cutting edges make it suitable for woodworking and plastics, producing clean, burr-free holes.
Construction Material Precision
Construction and Infrastructure: In construction, the Counterbore Drill is used to create holes in various materials, ensuring strong and precise fittings for bolts and screws.
Electronics Component Assembly
Electronics Manufacturing: In the electronics industry, the Counterbore Drill is often used to make small and precise holes for components and casings.
Custom Fabrication Versatility
Custom Fabrication and Repair: The Counterbore Drill is highly practical in custom fabrication workshops and repair work, suitable for customized or precision drilling.
The HSS Counterbore Drill is not only a crucial tool in professional environments but also a valuable asset in hobbyist workshops, offering precision, durability, and versatility.
Advantage Of Wayleading
• Efficient and Reliable Service;
• Good Quality;
• Competitive Pricing;
• OEM, ODM, OBM;
• Extensive Variety
• Fast & Reliable Delivery
Package Content
1 x Counterbore Drill
1 x Protective Case
● Do you require OEM, OBM, ODM or neutral packing for your products?
● Your company name and contact information for prompt and accurate feedback.
Additional, we invite you to request samples for quality testing.
