日本SK牌AA系列(间隔0.01mm)针规用于各种电路板,各种五金,塑料等产品的孔径检测之用.产品分为公制,通常使用的材料为:钢材.有各种规格的针规,也可以单支定购.欢迎垂询!AA系列钢制针规(间隔0.01mm)型号规格（mm）每套支数AA-00 0.06-0.29 24支AA-0A 0.20-0.50 31支AA-0B 0.50-1.00 51支AA-1A 1.00-1.50 51支AA-1B 1.50-2.00 51支AA-2A 2.00-2.50 51支AA-2B 2.50-3.00 51支AA-3A 3.00-3.50 51支AA-3B 3.50-4.00 51支AA-4A 4.00-4.50 51支AA-4B 4.50-5.00 51支AA-5A 5.00-5.50 51支AA-5B 5.50-6.00 51支AA-6A 6.00-6.50 51支AA-6B 6.50-7.00 51支AA-7A 7.00-7.50 51支AA-7B 7.50-8.00 51支AA-8A 8.00-8.50 51支AA-8B 8.50-9.00 51支AA-9A 9.00-9.50 51支AA-9B 9.50-10.00 51支