1/2" Shank - Adjustable Tool Holders - Drawings & Instructions

Features:

• Drawing set containes 4 adjustable holder designs: 2 sizes of bushing holders, 1 drill chuck holder, 1 ER8 collet holder
• Holds drills, reamers, counterbores and countersinks
• Accurately centers tool when turret is misaligned with spindle centerline
• Bushings are inexpensive and save space. Make as many as needed
• Drill chuck holder has unlimited drill holding range up to maximum capacity
• ER8 collets are easy to use. This design fits commercially available collet nut caps
• Easy to fabricate using standard materials
• Additional drill adapter and bushing drawings included

Specifications:

• Bushing size: .250" dia. or .375" dia. Practical hole size range per bushing: 0 to 3/16"
• Chuck size: 0-5/32"
• ER8 collet holder size range: 1mm to 5 mm
• Shank diameter: 1/2"

Drawings & Instructions:

• 5 - 11x17 sheets fully engineered CAD drawings and materials list. Includes bonus tool drawings.
• 8 pages step-by-step construction instructions and set-up tips - with photos.