CHICAGO-LATROBE Silver and Deming Drill: 17.5 mm, 118° Split Point
SKU 3G-OTH-193821
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Frequently Asked Questions
What is a Chicago-Latrobe Silver and Deming drill used for?
A Chicago-Latrobe Silver and Deming drill is used for drilling holes up to 17.5 mm in metal, wood, and plastic. Its 118° split point reduces walking and requires less thrust, making it ideal for production drilling in industrial machining, fabrication, and maintenance applications.
What are the specifications of the Chicago-Latrobe 55509 drill?
The Chicago-Latrobe 55509 is a 17.5 mm Silver and Deming drill with a 118° split point, black oxide HSS construction, and a reduced shank for use in standard drill chucks. The part number is 55509 and the decimal equivalent is 0.6890 inches.
Where to buy Chicago-Latrobe Silver and Deming drills worldwide?
3G Electric supplies Chicago-Latrobe Silver and Deming drills worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the 55509 or other sizes.
How to select the right Silver and Deming drill size?
Select a Silver and Deming drill by matching the hole diameter needed—here 17.5 mm—to the reduced shank size that fits your drill chuck. The 118° split point on Chicago-Latrobe bits helps center the cut. For deep holes, use pecking and coolant to clear chips.
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Common applications for CHICAGO-LATROBECHICAGO-LATROBE Products
3G Electric supplies CHICAGO-LATROBE high-speed steel silver & deming drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















