Zouzmin 2pcs Carbide Milling inserts Half-circle SP3200 Circular Arc Inserts Fine Machining R4/R5/R6/R10/R8/R16 Stainless steel Quenched Steel Metal Cutting High-performance indexable end mill set square shoulder design. Includes 10 sizes for versatile milling operations. Ideal for all types of square shoulder face milling, side milling, and full slot milling (shaft end milling) of various materials, including steels, alloyed steels, stainless steel, heat-resistant steels, cast irons, and aluminum alloys. This end mill allows for high depth of cut and feed per tooth, enhancing cutting efficiency. Compatible with SP3200 inserts. The end mill's body is forged from high-grade steel, providing maximum rigidity and durability to withstand intense machining processes. Package includes 1piece end mill tool holder UPC 738958053198 ASIN B0GGGLQMB9 Model SP3200 Brand Name zouzmin Part Number SP3200 Manufacturer Zouzmin Number of Items 2 Included Components 1pcs T2139-4R-110L-C08 for D8