Overview
The DoALL 309-146 DD band saw blade is a premium carbon steel welded blade engineered for metal cutting applications. This 75″ model features the Dart technology with a 1/2″ width and 5/16″ tooth pitch, making it ideal for ferrous metal sawing at high speeds. The blade combines a flexible hardened back with hardened tooth tips to accept high tension and resist scoring during prolonged cutting operations.
Key Features
- Carbon steel construction with M42 HSS material for durability
- Dart blade design—welded, hard back, straight set configuration
- 1/2″ blade width (13mm) with 0.025″ gauge (0.6mm) for stable cutting
- Hardened tooth tip resists dulling and extends blade life
- Flexible hardened back accommodates high tension without breakage
- Designed for speeds exceeding 5000 feet per minute (fpm)
Technical Specifications
- Manufacturer: DoALL
- Model Number: 309-146
- Designation: DD 5/16
- Length: 75 inches (1905mm)
- Width: 1/2 inch (13mm)
- Gauge (Thickness): 0.025 inch (0.6mm)
- Tooth Pitch: 5/16 inch
- Material: Carbon steel with M42 HSS teeth
- Type: Welded, hard back, straight set
- Speed Rating: 5000+ feet per minute (fpm)
- Condition: New in Box
Typical Applications
- Ferrous metal cutting (mild steel, stainless, cast iron)
- High-speed production sawing on vertical band saw machines
- Cutting metals up to 1 inch thick at high feed rates
- General purpose metal fabrication and machine shops
- Contour and straight cutting on production lines
Compatibility & Replacements
Compatible With
- DoALL vertical band saw machines with 75″ blade capacity
- Band saw equipment rated for 1/2″ blade width
- Systems designed for carbon steel Dart-type blades
- Machines supporting high-tension blade operation (5000+ fpm)
Replaces / Drop-In Replacement For
- Other 75″ 1/2″ width band saw blades with matching tooth pitch
- Verify specific machine compatibility before ordering
Works With
- DoALL cutting fluids (synthetic and semi-synthetic formulations)
- Standard band saw coolant systems
- Manual and automatic feed band saw equipment
