Modular Stubby Screwdriver Handles with Internal Bit Storage (1" & 2" Bits)
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Compact stubby driver handles for standard 1/4" hex bits. Features bit storage, magnet slot, and modular grip styles!
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Updated at source:
Model information
- Source
- Printables
- Category
- Tools
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Upgrade your workshop tool kit with these ultra-compact stubby driver handles designed for standard 1/4" hex bits. Built for tight spaces where a full-size driver can’t reach, each handle features hollow internal storage to stash your extra bits on the go.
Two Size Variants: Modeled specifically for standard 1" bits and longer 2" bits.
Modular Ergonomics: Choose between smooth straight grips or finger-grooved contours, paired with your choice of a flat cap or rounded-over cap for comfortable palm pressure.
Magnetic Bit Retention: Includes an internal socket for a 6mm x 3mm neodymium magnet. Because the magnet channel is slightly smaller than the 1/4" hex drive profile, it can be press-fit from either direction during assembly to keep your bits locked in place.
Snug Friction-Fit Caps: The caps push-fit tight to keep stored bits secure inside the handle without rattling loose.
🛠 Maker Note: This design is fresh off the CAD setup! If you print a set, please drop a comment, upload a make, or share your feedback on the tolerance and fit so I can fine-tune future updates.
Dimensions
1” Bit Version:
OD: 1.155”
Length: 1.5”
Bit Inset Length: 0.3”
Storage Dia: 0.65”
2” Bit Version:
OD: 1.155”
Length: 2.75”
Bit Inset Length: 0.5”
Storage Dia: 0.65”
Print Settings
Material: PETG or ABS/ASA (Recommended for workshop durability, drop resistance, and torque strength).
Layer Height: 0.12mm to 0.20mm (Lower layer heights yield cleaner friction-fit tolerances on caps).
Wall Loops / Perimeters: 4+ walls (Crucial for functional tools—extra walls handle high twisting torque far better than extra infill).
Infill: 20% or higher (Gyroid or Grid pattern for balanced structural integrity).
Explore More Workshop Upgrades
Browse my full catalog of custom adapters, dust collection fittings, and workshop jigs here:
Workshop Tools and Jigs: https://www.printables.com/@DPs_Designs_4882792/collections/3599922
Workshop Dust Collection Fittings: https://www.printables.com/@DPs_Designs_4882792/collections/3599928