49mm bi-metal hole saw, ideal for metalworking. - Model: BMJ-49 - Type: Bi-metal hole saw - Made in Japan - Size: 49mm Product Features and Basic Specifications • Features: Compatible with both hex shank (6.35mm across flats) and chuck type (10mm) due to the combination shaft. Through-hole type without a shoulder. Boasts one of the longest effective lengths. Applications: Workpiece materials: Steel plate (up to 3.2mm), metal siding, tinplate, aluminum, wood, PVC, thin stainless steel (up to 1.6mm). • Blade diameter (mm): 49 • Shank diameter (mm): 6.35 • Blade thickness (mm): 1.2 • Weight (g): 197 • Effective length (depth of cut) (mm): 34 • TRUSCO part number: 382-8395 • Effective length (mm): 3.2 Thank you for viewing.