Cobalt Steel Deburring Tool Golden Durable Countersink Drilling Bits Set, Chamfer Countersink Deburring Drill Bits Set Cutting Metal Tool, M42 M35 HSS Countersink Drill Bits 90 Degree, Countersink HSS Drill Bits, Carbide Tipped Countersink Drill Bits Set, Single Flute & Deburring High-speed steel construction with titanium-coated finish for durable, smooth cutting, Woodworking Metalworking & Multipurpose Drill Bits China Supplier Factory Manufacturer
Cobalt Steel Deburring Tool Golden Durable Countersink Drilling Bits Set Specifications
Product Name: Countersunk Drill
Type: 3 Flute 90Degree Titanium Plating
Size: 6.3/8.3/10.4/12.4/16.5/20.5mm
Color: Gold
Material: HSS
Quantity: 6pcs per set
Package Included:
1 × 6.3mm Countersunk Drill
1 × 8.3mm Countersunk Drill
1 × 10.4mm Countersunk Drill
1 × 12.4mm Countersunk Drill
1 × 20.5mm Countersunk Drill
Features:
Wide application: Suitable for workpieces with hardness less than 65HRC, such as stainless steel, aluminum plate, carbon steel, thin iron plate, insulating plate, PVC plate, wood board, etc.
Efficiency: It has a-piece design, which makes the chips generated during the chamfering process more convenient, and will not delay work efficiency due to tool blockage.
Grinding function: The blade can be ground, and a more convenient maintenance method allows the tool to be ground without unloading.
Ease of use: The automatic through-hole chamfering cutter can quickly trim and chamfer both sides of the hole in a few seconds.
High-speed steel: Excellent material, capable of processing various hard metals, and improved blades double the tool life.
Select the Correct Countersink Drill Bit
Choosing the right countersink drill bit involves selecting the right drill bit diameter. The reason is that the diameter of the drill bit plays a major role in determining how snugly the screw would fit into the countersink hole after drilling.
If you use a drill bit diameter that is less than that of the screw, then the protrusion of the screw head is inevitable. Thus, it is best to use drill bits approximately the same size as the head of the bolt or screw you want to use. HSS4241 Countersunk Drill Bit Set for Steel 3 Flute 90 Degree 6pcs
To measure the screw or bolt head, it is advisable to use a caliper and tighten its jaws around the screw head. The aim here is to ensure that the screw head does not protrude. Instead, it fits flush within the countersink hole.
The drill chuck is the part of the drill that holds the bit in place. It is especially important when the drill bit is spinning to avoid accidents. This component has a tightening collar as well as a three-way vice. The best way to tighten the drill bit into the chuck mostly depends on the drill design. However, the common ways are using a chuck key or chuck wrench by hand. 6Pcs Single-End Countersink Chamfer Tool Deburring Tool Set
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Plastics |
Aluminium |
Copper |
Brass |
Bronze |
Plain Carbon Steel |
Cast Iron |
Stainless Steel |
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| Standard metal |
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| Industrial Metal |
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| Titanium |
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| Turbo Metal |
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| Cobalt |
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Size
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Range
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Head Size
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Overall Length
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Shank Diameter
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5#
|
2-5mm
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10mm
|
45mm
|
6mm
|
|
10#
|
5-10mm
|
14mm
|
48mm
|
8mm
|
|
15#
|
10-15mm
|
21mm
|
65mm
|
10mm
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20#
|
15-20mm
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28mm
|
85mm
|
12mm
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25#
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20-25mm
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35mm
|
102mm
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15mm
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30#
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25-30mm
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44mm
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115mm
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15mm
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35#
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30-35mm
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48mm
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127mm
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15mm
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40#
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35-40mm
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53mm
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136mm
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15mm
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50#
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40-50mm
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60mm
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166mm
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20mm
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