21 Piece Black Gold Drill Bit Set

21 Piece Black Gold Drill Bit Set, 29Pcs 1/16″ – 3/8″ Cobalt Drill Bits Set, SAE Jobber Length M35 Twist Drill Bit Kit for Stainless Steel Tough Metal Cast Iron, 29 Pcs M35 5% Cobalt Drill Bit HSS Twist Drill Bits Set for Metal Steel Drilling, Hexagonal Handle Twist Drill Bit China Supplier and Factory

21 Piece Black Gold Drill Bit Set Parameter:
Drill Bit Sets Convenient Size Variety: This 29-piece bit set includes everything you need for a user-friendly experience thatsuits all your needs. The set comes with: 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″, 17/64″, 9/32″, 19/64″, 5/16″, 21/64″, 11/32″, 23/64″, 3/8″, 25/64″, 13/32″, 27/64″, 7/16″, 29/64″, 15/32″, 31/64″, 1/2″ bits.
A Must For Professionals drill bits: The Black Gold  drill bits sets are an excellent choice for professionals as well as DIY enthusiasts, enjoying superior durability and including various sizes that go well with your multiple needs.
Metal drill bit set for steel: Featuring 135-degree split point with round straight shank, an intelligent self-centering design which prevents walking, fully ground twist design ensuring a cooler drilling performance by decreasing friction, this drill bit set easily drills through a wide variety of materials including stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and wood.

Features
1. Premium M35 Cobalt High-Speed Steel
Made from M35 HSS cobalt steel (5% cobalt content), offering exceptional hardness, heat resistance up to 650°C, and extended tool life. Ideal for tough drilling jobs.
2. 135° Split Point Tip for Accurate Drilling
Precision-engineered 135° split point ensures quick self-centering, minimizes walking, and reduces drilling pressure for clean, efficient drilling even in hardened steel.
3. Popular Inch Size Range (1/16″–3/8″)
Complete set includes 21 sizes from 1/16″ to 3/8″ in 1/64″ increments. Covers a broad range of drilling applications for professionals and industrial users.
4. Optimized for Hard Materials
Designed specifically for drilling stainless steel, hardened steel, cast iron, and other tough metals. Perfect for metal fabrication, engineering, maintenance, and heavy-duty construction.
5. Durable Metal Storage Case Included
Packaged in a robust iron case for secure storage, easy transport, and quick access. Protects drill bits from damage and keeps your workspace organized.
6. Fast Delivery & OEM Customization
Ready-to-ship stock ensures dispatch within 7 days. Low MOQ supported with OEM options for custom drill sizes, packaging designs,and private labeling for bulk orders.  115 Piece Titanium Nitride Coated Metal Drill Bits Kit