DEWALT Drill Bits: 5/16", 135° Pilot Point, Black Oxide Cobalt
SKU 3G-OTH-197868
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Frequently Asked Questions
What are DEWALT 5/16" cobalt drill bits used for?
These DEWALT DWAMDCE20 general purpose jobber-length drill bits are designed for drilling into hardened metals and stainless steel. The 135° pilot point reduces walking, while black oxide cobalt construction provides heat resistance and extended tool life in demanding industrial applications.
What are the specifications of DEWALT DWAMDCE20 drill bits?
The DEWALT DWAMDCE20 is a 5/16" diameter general purpose cobalt jobber-length drill bit with a 135° pilot point and 3-flats shank. The black oxide finish enhances durability. It is suitable for use in metalworking and maintenance applications across multiple industries.
Where to buy DEWALT DWAMDCE20 drill bits worldwide?
3G Electric supplies and delivers DEWALT DWAMDCE20 cobalt drill bits to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order reaches any international destination. Contact us for availability and lead time.
How to select the right DEWALT cobalt drill bit for metal?
Select a DEWALT cobalt drill bit like the DWAMDCE20 when drilling hardened steel or stainless steel. Match the bit diameter to your fastener size and use a 135° pilot point for accuracy. Apply cutting fluid and run at moderate speeds to extend bit life and prevent overheating.
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3G Electric supplies DEWALT general purpose cobalt jobber-length drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















