Step Drill Bit Set, 5PCS Four Spiral Flute Step Bits for Metal, 50 Sizes Titanium-Coated HSS Drill Bits with 1/4" Hex Shank for Stainless Steel Aluminum Wood Plastic

Brand: ZELCAN

Features:

• Handle Drilling Tasks with Ease: With four sharp cutting blades, ZELCAN's step drill bit set ensures swift, smooth drilling, effortlessly cutting through steel, aluminum, copper, and other tough materials like a hot knife through butter!
• Titanium-Coated HSS Build: Crafted from robust high-speed steel with a titanium coating, our drill bits ensure superior hardness for faster cutting through harder materials while withstanding high temperatures and cutting forces, ensuring lasting performance.
• 50 Sizes Comprehensive Drill Bit Set: Our 5-piece step bit set caters to diverse drilling needs, with diameters ranging from 3/16" to 1/2" (6 steps), 1/8" to 1/2" (13 steps), 1/4" to 3/4" (9 steps), 3/16" to 7/8" (12 steps), and 1/4" to 1-3/8" (10 steps).
• Quick Release & Tapered Edge Design: The 1/4" hex shank and quick-release slot ensure secure connections and easy changes. The four-spiral flute design effectively evacuates chips from the hole, reducing the likelihood of clogging and improving drilling efficiency.
• Easy Organization & Identification: Our step drill bits for metal come with a handy storage case, ensuring effortless organization and portability for all your drilling tasks. Clear size markings on each bit allow for quick identification.

model number: SDB-4M35-3178

Part Number: SDB-2023-05

Package Dimensions: 5.0 x 4.7 x 2.7 inches