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COBALT STEEL - Manufactured from solid M35 grade cobalt steel, with 5% cobalt added to create a hardened heat-resistant alloy, for much faster cutting and extra long life span.
11 STEPS - The step bit comes with 11 sizes ranging from 6mm to 24mm, so you can drill up to 11 holes of different diameters with one bit, saving you time and efforts to change bits.
FOR STAINLESS STEEL - Ideal for drilling new holes or and enlarging existing holes on stainless steel as well as softer metals like iron, brass, copper, aluminum, etc.
GOOD PERFORMANCE - The dual-flute design provides greater speed and control along with jam-free performance. The fast-start no-walk tip allows you to drill without a center punch.
1/4" HEX SHANK - Compared to bits with round shanks, this 1/4 " hex-shank step bit can be gripped more tightly by compatible drills and screwdrivers for greater torque.
Cobalt step drill bits are not made of pure cobalt, but rather a steel alloy with certain percent cobalt. The 5-percent alloy is known as M35 grade.
The cobalt increases the strength of the steel and makes it more heat-resistant, making them an ideal cutter for stainless steel, as well as softer materials like cast iron, titanium and other hard or abrasive metals.
The 5% blended cobalt also gives the bit a much longer life â an important point considering that step bits are difficult to sharpen.
Possibly, this will also be one of the most expensive single bits you own. Just keep in mind that you cover multiple sizes with each bit.
Drilling holes in metal is tricky for a novice. The following tips may help you do a better job:
Please use water or lubricant to keep the bit cool for longer tool life.
Fasten the workpiece securely to avoid shaking during drilling.
Drill with low RPM. Make sure to use an (RPM) adjustable drilling device.
M35 Cobalt Steel Step Drill Bit
Excel at both making new holes and enlarging existing ones
Step drills are among the best drill bits for making holes in thin metal.
This step bit starts with a short pilot, then moves through a series of increasing widths as you move from one step to the next.
It's great for moving beyond your standard twist bit sizes and eliminating the need for a punch.
It also features a twist flute with a slight taper at each step. This gives you the ability to drill in sheet metal and other thin metals that might deform if you cut through at an angle.
Easily enlarges existing holes
Cobalt blend offers outstanding life
Multiple bit sizes on one accessory
Can eliminate the need for a knockout punch on smaller holes
Compared to bits with round shanks, this 1/4 " hex-shank step bit can be gripped more tightly by compatible drills and screwdrivers for greater torque.
A split-pointed tip gets the hole started quickly and helps reduce the amount of wandering your bit does.
It seems like a small thing at first, but we laser etches the measurements on the inside of the flute where they wonât wear off over time.
Please be ware of the length of the 1/4" hex shank
There are different standards of 1/4" hex shanks. Some customers found the shank of this product is too long to lock into their impact drivers.
The problem can be solved by making the shank shorter with a grinding wheel. You can also hold it with a standard 3-jaw drill chuck.
Making it easier to get a third primary dose of the COVID-19 vaccine
People aged 12 years or older with an underlying health condition may not have a full immune response to the COVID-19 vaccination. They may therefore be offered a third dose of the COVID-19 vaccine to help reduce the risk of getting seriously ill. This is known as the third primary dose. This third primary dose is not the same as the booster dose.
The third primary dose is usually given at least eight weeks after the second dose, but a GP or hospital consultant may suggest a different interval where this is required because of ongoing or planned treatment.
Many people will have received a letter directly from the NHS advising that they may be eligible for a third primary dose. People who have not yet been contacted but think they are eligible should contact their doctor as soon as possible.
Further details about the third primary dose can be found on the NHS.UK website.
The NHS will set out the next steps for how primary care networks will work with partners across newly formed integrated care systems to meet the health needs of people in their local areas. NHS chief executive Amanda Pritchard has asked Dr Claire Fuller, senior responsible officer of the Surrey Heartlands Integrated Care System, to […]
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