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Item #:
77589906
HARFINGTON Twist Drill Bit 6.7mm Titanium Coated (HSS-E) M42 High Speed Steel 8% Cobalt Straight Shank for Stainless Steel Aluminum Alloy Metal
Item #:
77589906
GBP 15
Price Details
Price
GBP 15
Excluding Shipping, VAT & Custom charges ( Shipping, VAT and custom charges will be calculated on checkout.
If Item price + shipping is below GBP 135, 20% VAT will be calculated on checkout, if it is equal or above GBP 135, no VAT will be charged. )
In stock
Imported from USA store
QTY:
Only 6 items left in stock.
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Monday, September 14
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M42 steel is a super-hard cobalt high-speed tool steel with good toughness, high wear resistance, and high cutting efficiency.
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What Stands Out
Titanium Coating
The titanium coating enhances durability and reduces friction, ensuring longer tool life and superior performance, ideal for demanding materials like stainless steel and aluminum alloys.
High Speed Steel
Crafted from HSS-E M42 high-speed steel with 8% cobalt, this drill bit delivers exceptional hardness and heat resistance, providing reliable performance in high-speed drilling applications.
Versatile Shank
Designed with a straight shank, this bit is compatible with various drill types, making it an excellent choice for both professional and DIY users tackling diverse metalworking tasks.
Product Details
- Size - Cutting edge diameter: 6.7mm / 0.264"; cutting edge length: 50mm / 1.97"; shank diameter: 6.7mm / 0.264"; overall length: 101mm / 3.98"; cutting point angle: 135 degree; manufacturing technology: fully-ground
- Material - M42 steel is a super-hard cobalt high-speed tool steel containing 8% cobalt, with good toughness, high wear resistance, high cutting efficiency, and good hot hardness. Nanoscale gold titanium coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant.
- Features - Sharp cutting edge provides fast, neat and smooth cuts. The spiral groove facilitates the export of metal chips, saving time and effort in operation. Chamfered shank design for easier clamping and less slippage during use.
- Applications - The straight shank drill bits are widely used for drilling hardened steel, titanium alloy, stainless steel, copper, aluminum, cast iron, and other metal materials. Do not drill quenched and tempered materials.
- Notes - Choose the right lubricant can facilitate cutting or cooling, make cutting easier, and improve dimensional accuracy. Please pay attention to the speed adjustment when using the electric drill. The larger the drilling size, the slower the speed requirement.
| Brand Name | HARFINGTON |
| Model | hta221108hh0481 |
| Unit Count | 1 Count |
| Manufacturer | HARFINGTON |
| Part Number | hta221108hh0481 |
| Material Type | M42 High Speed Steel (HSS-E) |
| Finish Types | Titanium |
| Shank Type | Straight |
| Surface Recommendation | Aluminum |
| Cutting Angle String | 135 degrees |
| Tool Flute Type | Spiral |
| Point Style | cutting point |
| Material | M42 High Speed Steel (HSS-E) |
| Finish Type | Titanium |
| Brand | HARFINGTON |
| Item Weight | 0.3 lbs (140 grams) |
Who Should Buy?
-
Metal Workers
Ideal for professionals needing durable bits for drilling stainless steel or aluminum consistently with high precision.
-
DIY Enthusiasts
Great for home projects involving metalwork, providing reliable performance in crafting or repairs with various metal types.
-
Industrial Use
Suitable for industrial applications where efficiency and durability in drilling through tough metals are paramount.
-
Woodworking
Not the best choice for wood as it can chew up softer materials and cause splintering.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What materials can these drill bits be used on?
Answer: They can be used to drill hardened steel, titanium alloy, stainless steel, copper, aluminum, and cast iron. -
Question:
What should I use as a lubricant for better performance?
Answer: Choosing the right lubricant can facilitate cutting, improve cooling, and enhance dimensional accuracy. -
Question:
How should I adjust the speed when using an electric drill?
Answer: Monitor the speed carefully; larger drilling sizes require slower speeds for optimal performance.
HARFINGTON Jobber Drill Bits Editorial Review
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Customer Reviews & Ratings
12 customers ratings
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5 Star
68%
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4 Star
22%
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3 Star
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Pros
- Durable high-speed steel
- Excellent for tough materials
- Titanium coating for longevity
- Precision drilling performance
- Resistant to heat and wear
Cons
- May require special care during use.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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23-Jul-26 · via Trustpilot
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Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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GBP 15
Excluding VAT : VAT will be calculated on the checkout page
Order now and get it around Monday, September 14
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 6 items left in stock.
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Made of super-hard M42 cobalt steel with 8% cobalt for enhanced durability.
- Features nanoscale gold titanium coating for better lubrication and corrosion resistance.
- Sharp cutting edge for fast, neat, and smooth drilling without the mess.
- Designed with spiral grooves for efficient metal chip removal during operation.
- Universal round shank with chamfered design ensures easier clamping and minimal slippage.
- Ideal for a variety of metals including hardened steel, titanium alloy, and cast iron.
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