Auger Drill Bit 40 x 420 mm, 3/8 in Hex Shank

Auger drill bit for planting speeds up bulb and flower planting by drilling clean, consistent holes in soft to medium soil with less effort. This 40 x 420 mm spiral garden auger attaches to most cordless drills via a 3/8" hex drive, helping you work faster on garden beds, landscaping, and DIY outdoor projects. Built from heavy-duty steel with a rust-resistant finish, it’s designed for smooth drilling and reliable performance season after season.

• Delivers faster hole digging for bulbs, flowers, vegetables, and bedding plants in soft to medium soil.


• Fits most electric and cordless drills with a 3/8" hex shank—attach and drill with steady control.


• Creates consistent 40 mm (1.57") holes with a 420 mm (16.54") length for deeper, cleaner planting.


• Handles tough use with Q235 steel construction and a reinforced tip for reduced bending and wear.


• Supports multiple jobs—prep holes for fence posts, tent stakes, outdoor décor, and light post-hole tasks.

Skip the strain of manual digging and get more done in less time. The spiral design pulls soil up and out for smoother drilling and neater holes, helping reduce rework when you’re planting multiple bulbs or setting garden fixtures. Keep your drill at a steady speed and let the bit do the cutting for more uniform results. Add this drill auger to your garden tool kit for planting season, landscaping refreshes, and quick outdoor setups—grab yours today.

• Type: Spiral garden auger drill bit / hole drilling attachment


• Size: Ø40 x 420 mm (Ø1.57" x 16.54")


• Shank: 3/8" hex drive; adapter drive diameter 10 mm


• Rod: Solid rod, 8 mm


• Material: Q235 steel; rust-resistant coating


• Color: Black


• Net weight: 0.22 kg (0.49 lb)