Bosch
⏳Price
$50.99
4-Piece 4-Flute Step Drill Bit with Spiral Shank (6-12mm) - Carbide Porcelain Tile Drill Bit, Glass Drill Bit, Concrete Drill Bit for Multi-Size Drilling | FUGYTVEN
★★★★★
$50.99
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About this item
- 1. Exclusive 4-Flute Step Design for One-Drill Multi-Size Holes Crafted from high-grade carbide, this step drill bit set features a unique 4-flute step structure that eliminates the need to switch bits for different hole sizes. Each bit’s stepped edges enable smooth, continuous drilling from small to large diameters, delivering consistent hole quality without chipping—far superior to standard drill bits for multi-size tasks on hard materials like porcelain tile and concrete.
- 2. 4-Piece Essential Step Sizes Covering 6-12mm Needs The set includes 4 precision step drill bits (6mm, 8mm, 10mm, 12mm) with 6mm sds masonry drill bit compatibility, covering 90% of daily and professional multi-size drilling requirements. Ideal for installing bathroom fixtures (towel racks, soap dishes), kitchen hardware, or glass shelves—where varying hole sizes are needed without tool changes, saving 50% of your working time.
- 3. Multi-Material Optimised for Hard Surfaces Engineered as a professional tile drill bit set, it’s specifically optimised for porcelain tile, ceramic tile, glass, concrete, and other abrasive materials. The 4-flute step tip reduces contact area with the workpiece, lowering friction and heat accumulation to prevent material cracking and bit overheating. It’s not just a tile drill—it’s a versatile solution for all hard-material multi-size drilling.
- 4. Spiral Shank for Stable Clamping & Efficient Chip Removal The anti-slip spiral shank design ensures a rock-solid grip on all standard drill drivers, preventing slipping even during high-torque multi-size drilling. The spiral groove efficiently channels chips away from the drilling area, avoiding clogging that causes uneven holes or bit damage. Combined with the sharp step edges, it enables fast, smooth penetration suitable for both DIYers and professionals.
- 5. Must-Have for DIY & Pro Multi-Size Renovation Tasks This 4-piece 4-flute step drill set is a game-changer for homeowners, DIY enthusiasts, and professional contractors tackling bathroom/kitchen renovations, glass installation, or concrete fixture mounting. The robust carbide construction ensures long service life, and the compact storage design makes it easy to carry. Say goodbye to switching multiple bits—this is your top choice for efficient, high-quality multi-size drilling
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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