High speed steel hole opener

Name: High-speed steel hole opener
Packing: plastic box
Material: HSS
Packing size: 38mm*105mm*145mm
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)