About this item

• ? VARIOUS SIZES: 13pcs Including 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4".
• ? PREMIUM BLACK & GOLD: Crafted from high-speed steel (HSS) with a black and gold oxide coating for superior heat resistance and durability; withstands high temperatures up to 1100¡ÆF during intensive drilling; ideal for tough materials like hardened steel, stainless steel, and cast iron without breaking or dulling quickly.
• ? 135¡Æ SPLIT TIP FOR FAST PRECISION DRILLING: Advanced 135-degree split point design self-centers on contact to prevent bit walking or slipping; twist flute removes chips and debris efficiently for smoother, faster cuts; reduces drilling time by up to 30% on hard metals, plastic, and wood while minimizing heat buildup.
• ? LONG-LASTING PERFORMANCE: Heavy-duty black oxide base with gold titanium coating provides exceptional corrosion and wear resistance; extends bit life 3x longer than standard bits in abrasive environments; maintains sharpness for repeated use on ferrous and non-ferrous metals.
• ? CONVENIENT STORAGE CASE WITH WARRANTY ASSURANCE: Comes in a durable, organized plastic case for easy portability and rust protection; Witwocky offers 100% satisfaction guarantee with free replacement or refund if not fully satisfied; backed by long-term after-sales support for peace of mind.