Motor Shaft Collet Chuck Extension Rod 516mm — Compatible with ER11, ER16 & ER20A (Multiple ER11A/ER16A/ER20A Sizes)

Durable construction designed for long-term use: this collet chuck extension rod is manufactured from robust materials to withstand repeated operation. Long straight-shank design ideal for hole work: the extended handle length makes it well suited to efficient hole processing and deeper reach applications. Reliable compatibility and easy swapping: precisely sized to mate with a range of straight-handle tools and ER collets, enabling quick replacement and a secure clamp during rod expansion. Improved balance and cutting accuracy: precision grinding of the rod and mating parts minimizes imbalance, enhancing stability during cutting and supporting higher precision. Available size and model options: ER11A-5mm, ER11A-6mm, ER11A-8mm, ER16A-6mm, ER16A-8mm, ER16A-10mm, ER20A-8mm, ER20A-10mm, ER20A-12mm, ER20A-14mm, ER20A-16mm — compatible with ER11, ER16, ER20A chuck types.