4-8/5-9/5-10/6-10/8-12mm HSS Twist Step Drill Bit Pocket Hole Drill Bits;4-8/5-9/5-10/6-10/8-12mm HSS Twist Step Drill Bit Pocket Hole Drill Bits

Features: - High speed steel hard and sharp. - Removed Chip fast drilling hole fast. - Can open two holes at a time easy to work. - Drilling steady high efficiency hole wall is smooth and chip evacuation unobstructed. - Dedicated to open the sliding door frame hole for door frame processing sliding door mullion processing iron products aluminum alloy wood light alloy processing. Specifications: Material: HSS Optional size: 4-8/5-9/5-10/6-10/8-12mm Package included: 1 x Twist Step Drill Bit Notes: 1. Manual measuring please allow 1 ~ 3mm error thank you. 2. Due to the difference between different monitors the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.