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pneumatic lengthened hexagonal bit electric drill bit h1.5-h8 hexagonal drill bit with magnetic electric screwdriver screwdrivers blades
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开票另加税点，详细咨询客服！内六角起子批头
六角柄对边6.35mm（1/4）
内六角的规格标示指的是六角对边的距离，而非六角直径！请大家注意！
例：H6-6mm,指的是六角对边距离6mm
