18 x 1 x 5 - Oil Hardening Flat Stock Boring Heads & Bar Holders Model #: 53301

Model #: 53301

40 Material Grade 6/6

2314″ Flute Count (NOF) 4 End Shape 45° Chamfered End Overall Length (OAL) ‎3-1/4″ Cutting Diameter Tolerance ‎+0

Item #: 19912609

Item #: 19912872

18 x 1 x 5 - Oil Hardening Flat Stock Boring Heads & Bar Holders Model #: 53301Item #: LY4054220 Manufacturer: Starrett Mfg #: 54220 Technical Specifications: *Brand Name: Starrett *Length: 18 *Material: O 1 *Thick: 1 *Width: 5 Description: *Precision Ground 0 1 Gage Stock 18" Length *0 1 Oil Hardening Ground Flat Stock *Electric furnace melt oil hardening tool steel supplied with a fully spheroidized structure *Non shrinking general purpose tool steel *HEAT TREATMENT: For sections smaller than 1 4" heat to 1450?_1475? F& hold