





35/64″ ReducedShank Cobalt Drill Bit – 3/8 Shank – 135 Notched Point
$63.24
Enhance your drilling precision with our high-quality Reduced Shank Drills, featuring a robust 3/8″ shank and a 135-degree notched point. Perfect for metal and wood, these Cobalt drill bits offer exceptional performance and durability for both professional and DIY projects. Upgrade your toolkit today!
- Description
- Additional information
- FAQ's
Description
35/64″ Reduced Shank Cobalt Drill Bit – 3/8 Shank – 135 Notched Point | Upgrade your toolkit with our high-quality Reduced Shank Drill Bit, designed to enhance your drilling capabilities across various materials like metal and wood. Featuring a robust 3/8″ shank and a precision-engineered 135-degree notched point, this Cobalt drill bit delivers exceptional performance, ensuring precise and efficient drilling every time. Experience the difference in drilling precision and durability with our versatile drill bit, crafted to meet the demands of both professional and DIY projects.Additional information
Weight | 1 lbs |
---|---|
Dimensions | 5 × 1 × 1 in |
Point Type | 135 Degree Notched |
Shank Size | 3/8 |
Material | Cobalt |
Size Type | Fractional |
Diameter Size | 35/64 |
For Use On | Metal |
FAQ's: Metal Working Drills
Can I use a hand drill for metal work, or do I need a drill press?
admin2025-08-09T18:32:24+00:00A hand drill works for most tasks, but a drill press gives more accuracy and control for precision work.
Why does my drill bit smoke when drilling metal?
admin2025-08-09T18:31:25+00:00Too much heat from high speed, no lubrication, or a dull bit. Slow down and use cutting oil.
How long should a metal drill bit last?
admin2025-08-09T18:30:23+00:00It depends on material, speed, and care—properly used, quality bits can last for hundreds of holes.
Can you drill aluminum with the same bit as steel?
admin2025-08-09T18:28:59+00:00Yes, but aluminum is softer—use higher speeds and keep the bit clean to avoid clogging.
How do you sharpen metal drill bits?
admin2025-08-09T18:27:19+00:00Use a bench grinder or drill bit sharpening tool to restore the cutting edge.
What are the different coatings on metal drill bits for?
admin2025-08-09T18:13:24+00:00Coatings like titanium nitride reduce friction, resist wear, and extend bit life.
Do you need a pilot hole when drilling metal?
admin2025-08-09T18:12:22+00:00For larger holes, yes—a smaller pilot hole makes drilling easier and more accurate.
How do you prevent drill bits from slipping on metal?
admin2025-08-09T18:11:53+00:00Mark the spot with a center punch to give the bit a starting point.
What is the best drill bit for hardened steel?
admin2025-08-09T18:11:16+00:00Carbide-tipped or solid carbide bits, or high-quality cobalt bits with proper technique.
Which is better for metal, HSS or cobalt drill bits?
admin2025-08-09T18:09:46+00:00Cobalt is better for tough metals; HSS is fine for softer metals and is less expensive.
What is the difference between cobalt and titanium drill bits?
admin2025-08-09T18:09:16+00:00Cobalt bits are solid alloy and great for hard metals. Titanium bits are coated HSS—good for general use but coating can wear off.
Should you use lubricant when drilling metal?
admin2025-08-09T18:08:47+00:00Yes. Lubricants like cutting oil reduce heat and friction, extending bit life.
What speed should you drill metal at?
admin2025-08-09T18:08:19+00:00Slower speeds for harder metals, faster for softer metals. Keep it cool with lubricant.
How do you drill through metal without damaging the bit?
admin2025-08-09T18:07:47+00:00Use the correct bit, slow drilling speed, steady pressure, and cutting oil to reduce heat.
Do you need special drill bits for stainless steel?
admin2025-08-09T18:07:16+00:00Yes. Stainless steel is hard—use cobalt or carbide bits with slow speeds and proper lubrication.
Can you use wood drill bits on metal?
admin2025-08-09T18:06:47+00:00Not recommended. Wood bits dull quickly on metal and may break. Use bits specifically made for metal.
What are the best drill bits for drilling through steel?
admin2025-08-09T18:06:13+00:00Cobalt bits are best for hard steels, while HSS with titanium coating works well for mild steel.
What is a metal working drill bit?
admin2025-08-09T18:05:23+00:00A drill bit made from high-speed steel, cobalt, or carbide designed to cut through metal with the right speed, feed, and lubrication.