20+1 Piece Hex Bit Set for Precision CNC Machining - Metric & SAE

About this item

• 【Full Size Set(20+1)】Easily identify Metric&SAE. 10pcs Metric【Red】-1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm; 10pcs SAE【Yellow】-5/64”,3/32”, 7/64”, 1/8”, 9/64”, 5/32”, 3/16”, 7/32”, 1/4”, 5/16”; 2.3" Hex Extension - More handy in narrow&long spaces.
• 【S2 Tool Steel】Meet international standards: tempered at 350-800 deg F to obtain hardness of Rockwell C 58-62, stands up to abuse.
• 【CNC Machined】Achieve Negative tolerance: 0.2mm less than international standard. Precise fit, which is essential for optimal performance.
• 【Strong Magnetic Tips】-More handy to pick up screws/easier positioning. 【Phosphated Black Surface】-Ensures no rust in high humidity.
• 【Well-put-together hex bit set】Good for consumer electronic repair, furniture assembly etc. For example R/C trucks, 3D printers, bed frame, motorcycle and auto, rifle scope, bike etc.