High speed steel hole opener $ 9.44 Name: High-speed steel hole opener Packing: plastic box Material: HSS Packing size: 38mm105mm145mm Purpose: The mid-range Patek of ordinary materials is used to open rubber, plastic, thin iron sheets, PVC openings, etc., and the high-grade 4341 material is used for stainless steel plates, iron plates, iron sheets, and PVC openings (the appearance of ordinary and high-end products are the same)
