⚡ Drill smarter, not harder — the Speedbor that keeps you ahead of the pack!
The IRWIN Speedbor Max Speed 6-piece drill bit set features a revolutionary full screw-point tip and triple cutting spurs for ultra-fast, clean wood drilling. Its compact 4-inch length and 1/4" quick-change hex shank make it ideal for tight spaces and compatible with all standard quick-change chucks, including impact drills. Crafted from high-speed steel with a tapered tri-flute design, these bits deliver superior chip ejection, reduced breakout, and extended durability—perfect for professionals who demand speed and precision.
| ASIN | B00LLGRQZY |
| Best Sellers Rank | #121,561 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #548 in Power Drill Bit Sets |
| Brand | IRWIN |
| Brand Name | IRWIN |
| Customer Reviews | 4.6 out of 5 stars 2,367 Reviews |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 4 Inches |
| Cutting angle string | 135 Degrees |
| Cutting diameter | 4 Inches |
| Finish Types | Black Oxide |
| Finish type | Black Oxide |
| Global Trade Identification Number | 00042526916762 |
| Included Components | (6) Speedbor Max Speed Bits sizes: 1/2" ,5/8", 3/4", 7/8", 1" and 1-1/8" |
| Item Dimensions | 31 x 155 x 235 millimeters |
| Item Type Name | SPEEDBOR MAX 4IN OAL 6PC CLAM SET |
| Item Weight | 0.29 Kilograms |
| Item height | 9.25 inches |
| Manufacturer | IRWIN |
| Material | High Speed Steel (HSS) |
| Material Type | High Speed Steel (HSS) |
| Minimum Bore Diameter | 4 Inches |
| Model | 1877239 |
| Number of Flutes | 3 |
| Point Style | Screw Point |
| Shank Type | Hex |
| Shank type | Hex |
| Surface Recommendation | Wood |
| Tool Flute Type | Spiral |
| UPC | 042526916762 |
| Unit Count | 1 Count |
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