
Half Inch Collet Nut Replacement Kit, 2 Pack, Heavy-Duty Drill Chuck Nut For Easy Bit Swaps, Fits 3612 Series And Various 12V Drill Models Like M12V2 M12VE M12SC M12VCM, High Precision, Durable Construction For Fast Bit Changes
Half Inch Collet Nut Replacement Kit, 2 Pack, Heavy-Duty Drill Chuck Nut For Easy Bit Swaps, Fits 3612 Series And Various 12V Drill Models Like M12V2 M12VE M12SC M12VCM, High Precision, Durable Construction For Fast Bit Changes
The Story
✔️ 2-pack, fits 3612 series and many 12V drills
This replacement kit includes two 1/2 inch collet nuts, designed for fast and secure bit changes in 12V drill chucks. It fits the 3612 family and a broad range of common 12V models from popular brands, making repairs easy and economical.
✅ 1/2 in (12.7 mm) collet nut, 2 pieces per pack for quick swaps✅ Fits HITACHI 323421, M12VE, M12VC, M12V2, M12SC, KM12VC and KM12VCM models
✅ Total size approx 22.5 x 27 mm (0.89 x 1.06 in)
✅ Replaces part numbers 763622-4, 763629-0, 763628-2, 323293
✅ Also compatible with MAKITA 3612Y, 3612X, 3612T, 3612CY, 3612C, 3612CT, 3612BR, 3612 MT360
✅ Heavy-duty construction for fast, secure bit changes
💡 What is a 1/2 inch collet nut replacement kit used for in 12V drill chucks? A handy overview of its role in quick bit changes and compatibility.
- Helps you swap bits fast with less downtime - Keeps chuck grip tight for accurate holes - Works with Makita 3612 series and Hitachi 323421 style chucks - A solid addition to any repair kit for home shops
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
✔️ 2-pack, fits 3612 series and many 12V drills
This replacement kit includes two 1/2 inch collet nuts, designed for fast and secure bit changes in 12V drill chucks. It fits the 3612 family and a broad range of common 12V models from popular brands, making repairs easy and economical.
✅ 1/2 in (12.7 mm) collet nut, 2 pieces per pack for quick swaps✅ Fits HITACHI 323421, M12VE, M12VC, M12V2, M12SC, KM12VC and KM12VCM models
✅ Total size approx 22.5 x 27 mm (0.89 x 1.06 in)
✅ Replaces part numbers 763622-4, 763629-0, 763628-2, 323293
✅ Also compatible with MAKITA 3612Y, 3612X, 3612T, 3612CY, 3612C, 3612CT, 3612BR, 3612 MT360
✅ Heavy-duty construction for fast, secure bit changes
💡 What is a 1/2 inch collet nut replacement kit used for in 12V drill chucks? A handy overview of its role in quick bit changes and compatibility.
- Helps you swap bits fast with less downtime - Keeps chuck grip tight for accurate holes - Works with Makita 3612 series and Hitachi 323421 style chucks - A solid addition to any repair kit for home shops






















