Item Model NumberWJD1407
Product DimensionsDrilling range 6-38mm diameter; shank is round but e x act diameter not specified.
MaterialHigh-speed steel (HSS) with titanium coating.
StyleStep/cone drill bit (pagoda/tiered design) for multi-size holes.
Power SourceManual
ColorTitanium color (typical metallic titanium-coated surface)
Compatible ProductsPower drills
SizeDrilling range 6–38 mm
Special FeaturesTitanium coating for durability and reduced friction
High-speed steel (HSS) construction
Round shank suitable for power drills
Step drill bit with stepped increments for multiple hole sizes
Included ComponentsStep drill bit
Cutting capacity in WoodWood: 38 mm; Metal: 38 mm
Surface RecommendationMetal and wood drilling
MotorTitanium-coated high-speed steel bit (HSS)
Spindle1/4" round shank
ManufacturerNote: This product may be supplied under one of our available brands (Ingco, Wadfow, Gadiver, Dello), all sourced from a single manufacturer with identical technical specifications and functional performance. Any differences are limited solely to the brand name, colors, and external appearance, and apply only to the product in question and the brands listed above.
Warranty & SupportCheck Osta Warranty Page
Return PolicyOsta Return Policy
PropertiesTitanium-coated, High-speed steel, Step drill bit, Drilling range 6-38 mm, Step increments 6-8-11-14-17-20-23-26-29-32-35-38 mm, Heavy-duty, Anti-rust, Round shank 1/4"
Country of OriginChina