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Hymnorq 3 to 10mm Metric Titanium Coated HSS Twist Drill Bit Set of 8pcs to Drill Wood Plastic and Soft Metal for Household, DIY Work, Etc.
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
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Hymnorq 3 to 10mm Metric Titanium Coated HSS Twist Features
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8PC Metric Twist Drill Bits: The bits set includes 8 metric sizes: 3.0mm, 4.0mm, 5.0mm, 6.0mm, 7.0mm, 8.0mm, 9.0mm, 10.0mm
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HSS - Made of high speed steel 4241 and coated with titanium for rust prevention and decoration.
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Straight Shank and 118° Point Angle - Straight shank for standard drill chucks and collet chuck to hold firmly, assuring accurate centering; Helical flute for swarf to easily get out; standard 118-degree point configuration is ideal for general purpose drilling applications.
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Usage - Mainly used for drilling wood and plastic, occationally for drilling soft metal like aluminium. Economic choice for home DIY, building and engineering use etc.
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Index Case - The bits are packed in a plastic index case for easy storage and transportation.
About Hymnorq 3 To 10mm Metric Titanium Coated HSS Twist
Designed for General Drilling Purpose in Relatively Soft Materials These metric jobber twist drill bits are made of high-speed steel 4241. There are several commonly-used HSS types: 4241, 4341, M2, M35, M42. HSS 4241 is of the lowest price and relatively lower quality compared to others. The material decides that they can be used mainly in drilling wood, plastic and soft metal sheet like aluminum. If your purpose is to drilling metals, please buy our M35 grade drill bits. Both metric and fractional inch sizes are available. Titanium Coating There are two types of titanium coatings: industrial coating and decorative coating. The former one is quite expensive and only used on premium materials like M35 and M42. The finish of this bit set is decorative titanium coating, mainly for anti-rust and decoration. Package and Size Label This bit set are packed in plastic index case. The size labels are printed on the bit holder and engraved on the shanks of bits for easy identification. About Size Error You may have noticed some negative reviews about size. The results vary due to different tool and different measuring ways. Please refer the last picture for right measuring method. One better way to decide a bit's size is to drill a hole and measure the hole. Then you'll find that the size error of our product is quite small. Responsive and Helpful Customer-service Team If you have any pre-sale, after-sale question, please remember our customer-service team will respond to your email within 12 hours. Please check our store's feedbacks and you'll be more confident about buying with us.
