25.50 mm – Silver & Deming Drill Bit – Metric 1/2″ Shank
$113.84
Discover the 25.50 – (303M) High Speed Steel Drill Bit, engineered for precision and durability in all drilling tasks. With a 1/2″ shank and crafted from high-speed steel, this versatile tool offers long-lasting performance and accurate drilling in various materials. Ideal for professionals and DIY enthusiasts, it embodies the quality and reliability our brand is known for.
- Description
- Additional information
- FAQ's
Description
Introducing the 25.50 mm – Silver & Deming Drill Bit – Metric 1/2″ Shank, a versatile and durable cutting tool designed for precision and efficiency in all your drilling tasks. Crafted from high-speed steel, this drill bit ensures long-lasting performance and is ideal for accurate drilling in various materials, thanks to its metric measurement. Perfect for both professionals and DIY enthusiasts, the 25.50 mm Silver & Deming Drill Bit is a must-have addition to your toolbox, embodying the quality and reliability that our brand is renowned for.Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 5 × 1 × 1 in |
| Diameter Size | 25.50 mm |
| For Use On | Metal, Plastics, Wood |
| Material | High Speed Steel |
| Shank Type | 1/2 inch |
| Size Type | Metric |
FAQ's: Silver & Deming Drills
What industries use Silver & Deming drills?
They’re popular in construction, fabrication, maintenance, woodworking, and general metalworking.
What’s the best drill speed for large HSS bits?
Use slower speeds for larger diameters, especially in metals, to reduce heat buildup.
How do you sharpen a Silver & Deming drill bit?
They can be sharpened on a bench grinder or with a dedicated drill bit sharpener, keeping the correct cutting angles.
Do I need lubricant when drilling with HSS Silver & Deming bits?
Yes, in metals — cutting oil will extend the life of the bit and improve hole quality.
How do I choose the right Silver & Deming drill bit size?
Match the diameter to your required hole size and ensure your drill has the torque to handle the larger bit.
Do Silver & Deming bits have flat spots on the shank?
Yes — many have a 3-flat shank to prevent slipping in the chuck.
Are Silver & Deming bits only for drill presses?
No — they can be used in handheld drills, but due to their size, a drill press or magnetic drill is often preferred for accuracy and safety.
What’s the difference between HSS and cobalt Silver & Deming bits?
HSS is economical and suitable for softer materials; cobalt adds hardness and heat resistance for tough metals.
Can HSS Silver & Deming bits cut stainless steel?
They can, but cobalt versions are better for stainless and other hard metals due to increased heat resistance.
What materials can HSS Silver & Deming drills cut?
High Speed Steel versions work well in wood, plastics, and softer metals like aluminum, mild steel, and brass.
Why use a reduced shank on large drill bits?
It allows large-diameter bits to fit in standard 1/2" drill chucks without needing a larger drill.
What’s the typical size range for Silver & Deming bits?
They usually start at 9/16" diameter and go up to 1-1/2" diameter, all with a 1/2" shank.
Why are they called Silver & Deming drills?
The name comes from the Silver & Deming Manufacturing Company, which popularized the design in the late 19th century.
What is a Silver & Deming drill bit?
A Silver & Deming drill bit is a large-diameter drill bit, typically with a 1/2" reduced shank, designed to fit standard drill chucks while drilling larger holes.
