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Description
The Irwin 17/64" Cobalt 135 Degree Jobber Length Drill Bit (63117) is a professional-grade tool crafted for drilling through hard and abrasive metals. Its construction from M35 High-Speed Steel with 5% cobalt provides exceptional heat and abrasion resistance, making it ideal for demanding applications involving stainless steel, hardened alloys, and titanium. The bit features a 135-degree split point tip, which allows for immediate drilling without the bit "walking" on the surface, eliminating the need for a center punch.
KEY FEATURES AND BENEFITS:
- Precision Drilling: The 135-degree split point tip allows for immediate, accurate starts without the bit walking, eliminating the need for a center punch. This ensures clean and precise hole placement, especially on round or curved surfaces.
- Superior Material Composition: Made from M35 High-Speed Steel with 5% cobalt, this drill bit offers excellent heat and abrasion resistance. This composition allows it to maintain its cutting edge longer than standard HSS bits, particularly when drilling through challenging materials like hardened steel, stainless steel, and titanium.
- Enhanced Strength and Durability: The heavy-duty web construction provides added strength and rigidity, reducing the risk of bit breakage under high pressure. This design ensures consistent performance and a longer tool life in professional and demanding applications.
- Efficient Chip Ejection: The optimized spiral flute design efficiently removes chips and debris from the hole as you drill. This prevents clogging, reduces heat buildup, and allows for faster, more effective drilling.
- Corrosion Resistance: A gold oxide finish on the bit helps to resist rust and corrosion, protecting the tool and extending its overall lifespan.
SPECIFICATIONS:
- Part Number: 63117
- Drill Bit Size: 17/64 inches
- Material: M35 High-Speed Steel with 5% Cobalt
- Point Angle: 135 degrees
- Overall Length: 4-1/8 inches
- Flute Length: 2-7/8 inches
- Shank Diameter: 17/64 inches
HOW TO USE:
- Prepare the Material: Secure the material you are drilling into with a vise or clamps to prevent it from moving.
- Select the Correct Speed: Use a slower RPM (revolutions per minute) on your drill, especially for harder metals, to prevent overheating.
- Align the Bit: Place the 135-degree split point tip directly on the desired drilling location. Its design allows it to start drilling without a pre-drilled pilot hole.
- Apply Consistent Pressure: Apply firm, consistent pressure to the drill. Avoid a "wobbling" motion, as cobalt bits are brittle and can snap under side-to-side force.
- Use Lubrication: To extend the life of the bit and prevent overheating, apply a cutting fluid, water, or cutting oil to the drilling area. This will keep the bit cool and improve chip ejection.
- Remove the Bit: Once the hole is complete, back the drill bit out of the hole while maintaining a slow, controlled speed.
BENEFITS OF USING IRWIN 17/64" COBALT 135 DEGREE JOBBER LENGTH DRILL BIT (63117):
- Professional-Grade Performance: Designed to meet the high standards of professionals, providing reliable and efficient drilling in a variety of challenging materials.
- Extended Tool Life: The cobalt-infused steel and robust construction ensure the bit remains sharp and effective for longer, reducing the frequency of replacements.
- Reduced Effort: The split-point design and efficient chip removal allow you to drill with less feed pressure and effort, saving you time and energy on the job.
- Versatility: Suitable for a wide range of tough materials, including stainless steel, hardened steel, and titanium, making it a valuable addition to any professional's toolkit.
- Improved Safety: The non-walking tip reduces the risk of the drill bit slipping, providing a more secure and controlled drilling experience.
FEATURES:
- 17/64" diameter for standard hole sizes
- Jobber length for general-purpose applications
- Straight shank compatible with standard drill chucks
- Gold oxide finish for enhanced corrosion resistance
- Spiral flute design for quick and effective chip removal
- Heavy-duty web for improved strength and rigidity
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