Specification Brand : Micro 100 BulletPoint1 : Tool holder optimized for use with Micro 100 standard shank tools in turning applications BulletPoint2 : PSC flange designed for use on lathes with or without an automatic tool changer BulletPoint3 : Short head length accommodates smaller work envelopes and provides maximum rigidity BulletPoint4 : Heat treated for added durability BulletPoint5 : Black oxide coated on all non-ground surfaces for corrosion resistance FinishType : Uncoated ItemName : Micro 100 ST-312-C4 PSC Holder- Standard, 5/16" Internal Dia, 1.309" Head Length, C4 Shank Type ItemPackageDimensions_Height : 1.58 inches ItemPackageDimensions_Length : 3.04 inches ItemPackageDimensions_Width : 1.58 inches ItemTypeKeyword : turning-holders Manufacturer : Micro 100 Tool Corporation Material : Heat Treated Steel NumberOfItems : 1 PartNumber : ST-312-C4 ProductSiteLaunchDate : 2025-05-13T18:13:20.860Z