A Mumbai mechanic needs to drill stainless steel sheets for vehicle repair, requiring heat-resistant bits that last longer.
Sipery cobalt bits handle high heat, last through multiple sharpenings, saving costs and time in repairs.
You save 1,790 (43%)
43% off the seller list price
Estimated doorstep delivery by 29 Oct - 31 Oct from USA






Premium Cobalt Drill Bits at Competitive Price
Sipery M35 cobalt drill bits are a high-quality set designed for Indian professionals and DIYers. Made from M35 grade cobalt steel, these 8mm bits excel in drilling hard metals like stainless steel and cast iron, with a split point for precise, self-centering operation. The fully ground process enhances abrasive resistance, ensuring longer lifespan even under tough conditions. Ideal for use with bench drills and impact drivers (impact-rated bits), they deliver consistent performance with minimal walking and overheating. The set includes 5 pieces, each with a flute length of 75mm and overall length of 116mm, packaged in a durable case for easy storage and portability. Perfect for Indian workshops and home projects requiring durable, heat-resistant drill bits.
Reviewers in humid Indian cities report these cobalt bits maintain sharpness after multiple sharpenings, reducing replacement costs. Their heat resistance and uniform hardness enable efficient drilling in stainless steel and cast iron, with minimal breakage when used with cooling liquid. The impact driver compatibility makes them versatile for various tools, and the champagne finish resists corrosion. Delivered quickly through ExpressBox, these bits come with all duties paid, ensuring hassle-free procurement for Indian users.
For Indian buyers, these drill bits offer a cost-effective solution for frequent metal drilling tasks. The 8mm size fits most impact drivers and drill chucks, and the set's durability supports long-term use in demanding environments. With transparent pricing, fast delivery, and guaranteed authenticity, Sipery M35 cobalt drill bits are a reliable choice for professional and hobbyist metalworkers across India.
Premium Cobalt Composition for Long-Lasting Drilling
Sipery's M35 cobalt drill bits are crafted from uniform, heat-resistant cobalt steel, enabling repeated sharpening without edge damage. This formulation outperforms standard HSS bits, especially in demanding Indian metalworking environments, supported by user reviews highlighting their longevity and precision.
Ideal for Hard Metals & Impact Drills
Designed for professionals and DIYers in India, these bits excel in drilling stainless steel, cast iron, and other tough materials. Impact driver compatibility ensures they withstand high torque, making them suitable for heavy-duty tasks and frequent use, while skip it if working with softer materials or low hardness plastics.
Typical situations where Sipery M35 Cobalt Drill Bit Set 8mm | High Speed Steel Jobber Length helps — illustrative scenarios, not customer reviews.
A Mumbai mechanic needs to drill stainless steel sheets for vehicle repair, requiring heat-resistant bits that last longer.
Sipery cobalt bits handle high heat, last through multiple sharpenings, saving costs and time in repairs.
A DIY enthusiast in Delhi works on cast iron furniture, drilling multiple holes in a week.
The impact-rated, fully ground cobalt bits provide precise, durable performance, reducing frequent replacements.
| Active Ingredient | Cobalt 5% |
| Material | High Speed Steel M35 |
| Heat Resistance | High |
| Hardness | Uniform throughout |
| Recommended Use | Drilling hard metals like stainless steel and cast iron, with cooling liquid |
| Impact Driver Compatibility | Yes |
| Impact Drilling | Suitable |
| Recomm. Drilling Speed | Moderate to high |
| Cost per use | ₹474 per bit |
| Shelf life after opening | Not specified |
| Reapplication math | Multiple sharpenings extend lifespan |
| Contraindications | Use with cooling liquid, avoid overheating |
| Allergens / Irritants | None |
| Feature | Sipery M35 Cobalt | Others |
|---|---|---|
| Material & Durability | Cobalt M35 steel, heat resistant, sharpenable multiple times | Standard HSS bits, less heat resistant, dull faster |
| Application & Compatibility | Suitable for stainless steel, cast iron, impact drivers | Mostly for soft metals, limited impact driver use |
| Price per Unit | ₹474 per bit | ₹150-₹300 per piece in Indian market |
| Impact Resistance | Impact-rated, durable under high torque | Not impact-rated, prone to breakage |
| SKU | vqv0991 |
| GTIN | 0778299856829 |
| Brand | Sipery |
| Size | 8mm (0.31 inch) |
| Material | M35 Cobalt High Speed Steel |
| Color | Champagne |
| Overall Length | 116mm (4.56 inch) |
About Sipery
Sipery specializes in high-performance drill bits, trusted by Indian professionals for durability and precision in tough metals.
Compliance & Legal
None applicable; product is a high-speed steel drill bit set for metal and wood drilling, compliant with Indian import classification 82075000.
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This item:
Sipery M35 Cobalt Drill Bit Set 8mm | High Speed Steel Jobber Length, 5 Pack, for Steel & Hard Metals
2,370

This item
Sipery M35 Cobalt Drill Bit Set 8mm | High Speed Steel Jobber Length, 5 Pack, for Steel & Hard Metals
2,370
Total price:
15,380
You save 6,620 (30%) Extra3 items selected
3 items
15,380You save 6,620 (30%) Extra
| Attributes | Current ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | |
|---|---|---|---|---|---|---|---|
| Spec | |||||||
| Price | 2,370 4,160 | 6,380 8,130 | 6,630 9,710 | 3,730 4,160 | 5,540 6,680 | 4,040 5,570 | 2,200 3,370 |
| Rating | 4.50(157) | 4.50(340) | 4.50(11K+) | 4.70(28K+) | 5.00(12) | 4.40(838) | 4.80(48) |
| Brand Name | Sipery | Eagle Abrasives | Rubbermaid | ACCUSHARP | Sorority Shop | WISEUP | FINE PRODUCT SUPPLY |
| Source | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail | US Retail |
| Sold By | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow | CrowCrowCrow |
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