3 pcs 1/4" Hex Hcs Countersink Bit 5 Flute Countersink Drill Bits Countersink Bit 12Mm/16Mm/19Mm For Wood Metal

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Usage: Ideal for sinking 90 degree holes in wood and soft metals Countersunk screws and fasteners With 6.35mm shank diameter and 20mm length can be driven with electric drill or battery. Unique Process: High quality non-slip wear-resistant ensures increased comfort and convenience, Surface Treatment: Blackening treatment Size: Commonly used Sizes including 12mm, 16mm and 19mm all with 1/4" hex quick change shanks, Angle: 90 degree Five flute countersunk chamfer countersink, Heat treatment: High frequency quenching, increase hardness Durable: High quality high carbon steel, durable and rustproof, long service life. Returns, Refunds and Replacements Delivery Timeframe Please note that we cannot guarantee the exact date of arrival, and the delivery timeframes (excluding weekends and public holidays) are as follows: For customers in Victoria, approximately 7-10 working days; For customers in NSW, SA, ACT, and QLD, approximately 9-12 working days; For customers in WA, NT, and TAS, approximately 9-12 working days.