Step Drill Bits “Kamtec KGSD4-30 4mm-30mm Spiral Tin coated Step Drill” has been added to your basket. View basket Filter Sort by popularity Sort by latest Sort by price: low to high Sort by price: high to low Showing the single result View: 50 100 All Kamtec KGSD4-30 4mm-30mm Spiral Tin coated Step Drill £28.00 £23.33 Add to basket