Discover the authentic 4mm HSS Straight Shank Cobalt Twist Drill Bit-Jobber Length Fully Ground Straight Shank – 5% Cobalt M35 Grade, Champagne for Stainless Steel Cast Iron 5PCS by Auniwaig, part of our Jobber Drill Bits collection. Imported directly from the USA and sourced from trusted suppliers, this product is 100% authentic and delivered anywhere in India at the best price.
Highlights & Benefits
Original Jobber Drill Bits – 4mm HSS Straight Shank Cobalt Twist Drill Bit-Jobber Length Fully Ground Straight Shank – 5% Cobalt M35 Grade, Champagne for Stainless Steel Cast Iron 5PCS by Auniwaig
100% authentic and sourced from trusted suppliers
Imported from the USA with strict quality checks
Available at the best price in India
Fast and secure delivery across the country
Auniwaig HSS Straight Shank Cobalt Twist Drill BitDescription: 1.Heavy-duty, fully ground body construction;High flow spiral design for the fastest removal rate and for thick material. 2.Improve the cutting accuracy, improve the wear resistance of the surface of the object, and prevent the surface of the object from oxidation and corrosion 3.Suitable for hardened materials and hard metals, such as cast iron, hard plastics, and also suitable for soft materials. When it cannot penetrate, try to adjust the RPM Specification: Material: High Speed Steel M35 with 5% Cobalt Color: Champagne Shank: Straight Round Shank Split Point: 135 degree Shank / Cutting Edge Diameter: 4mm/0.16inch Total length:71mm/2.79inch Surface Treatment : Titanium Coated M35 Grade Cobalt Steel: 1.Cobalt drill bits are made of high speed steel with certain percent cobalt. 2. The 5-percent cobalt is known as M35 grade. The cobalt increases the strength of the steel and makes it more heat-resistant. 3. Cobalt drill bit's hardness is uniform throughout the entire material, so that can be repeatedly sharpened without damaging the cutting edge allowing it to drill more than hss drill bits. How to Use Cobalt Twist Drill Bits: 1.Hand drills are suitable for drilling low hardness materials. 2.Drilling Metal is recommended for use on bench drills. 3.Mini twist drill bit can NOT be used in the impact drill. 4.Ensure the left and right cutting edges of the drill are symmetrical when drilling. 5.Observe the uniformity of the spark while drilling, adjust the pressure in time, and pay attention to the cooling of the bit. 6.Please use with cooling liquid to prolong the working life of the drill bits and to avoid overheating and breakage. Package Content: 5pcs x Twist Drill Bit
SIZE- Shank / Cutting Edge Diameter:4mm/0.16-inch;Total length:71mm/2.79inch;Our Drill Bits Contain 5% Cobalt, Are Fully Grounded for a Precision Drilling Diameter
COBALT STEEL- Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit
SELF CENTERING -Fully ground spiral flute discharge scraps quickly, reduce friction and heat, therefore provides a faster, cooler and more efficient drilling performance; 135° Split Point with straight shank prevents slippage and makes drilling stable and precise. No center punch is needed., fit for standard drill chucks and regular round collet chucks.
WIDE APPLICATIONS-Drill Bits are successful in cutting hard metals such as stainless steel;copper;aluminum alloy;and also can be used for softer materials
SPECIAL DESIGN- Cobalt high speed steel for super abrasive resistance in tough metals;improve much higher heat resistance because of cobalt steel's high red hardness
At The Global Genie, we bring global products closer to you. Whether it’s Jobber Drill Bits like the 4mm HSS Straight Shank Cobalt Twist Drill Bit-Jobber Length Fully Ground Straight Shank – 5% Cobalt M35 Grade, Champagne for Stainless Steel Cast Iron 5PCS by Auniwaig or any other international favorite, we guarantee authenticity, fair pricing, and doorstep delivery across India. Shop confidently knowing every product is carefully verified and backed by our trusted supplier network.
Now you can order 4mm HSS Straight Shank Cobalt Twist Drill Bit-Jobber Length Fully Ground Straight Shank – 5% Cobalt M35 Grade, Champagne for Stainless Steel Cast Iron 5PCS by Auniwaig by from anywhere in India — including Delhi, Mumbai, Bangalore, Hyderabad, and Chennai — with fast doorstep delivery from TGG
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Delivery Timeline: Orders are typically delivered within 10 to 12 days from the date of purchase.
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Common Questions
All products sold on The Global Genie (TGG) are 100% authentic and sourced from trusted suppliers in the USA. We do not sell replicas or counterfeit items.
Delivery usually takes 7–12 business days depending on your location in India. We provide tracking details so you can follow your order until it reaches your doorstep.
Yes. If you are not fully satisfied with your 4mm HSS Straight Shank Cobalt Twist Drill Bit-Jobber Length Fully Ground Straight Shank – 5% Cobalt M35 Grade, Champagne for Stainless Steel Cast Iron 5PCS, you can raise a return request within 7 days of delivery (or as per our policy). The product must be unused, in its original packaging, and with all tags/labels intact. Once your return is approved, we will arrange for pickup and issue a refund or replacement as per your choice. For complete details, please refer to our Return & Refund Policy
At TGG, every is imported directly from the USA, verified for authenticity, and delivered at the best price in India. Our mission is to make global products accessible to Indian customers.
No. The price you see on our website is the final price. All customs clearance and import duties are handled by The Global Genie, so you don’t need to worry about hidden charges.
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