-- Manual knockout hole punches set
-- Available in -...20mm, -...25mm, -...32mm
-- 12.9 Grade threaded cap-bolt and washer
-- Punches made mold steel material
-- CNC machining and final oxide black finished
-- Punches made by Cr40 steel material
-- Manual knockout hole punches set
-- Available in -...20mm, -...25mm, -...32mm
-- 12.9 Grade threaded cap-bolt and washer
-- Punches made mold steel material
-- CNC machining and final oxide black finished
-- Punches made by Cr40 steel material
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for Manual Knockout Punch | Metal Sheet Punch of 20MM & Bolt & 12.9 Grade Screw