“IRWIN” DUAL AUGER BIT POWER DRILL I-100Solid center design provides extra rigidity while boring. Wide lands keep the bit straight as it bores through the hole. The flutes are ground behind the lands
“IRWIN” DUAL AUGER BIT POWER DRILL I-100Solid center design provides extra rigidity while boring. Wide lands keep the bit straight as it bores through the hole. The flutes are ground behind the lands