Jobber Heavy Duty Parabolic FluteStyles: 1872, 1872TN 135° Split HelixHigh35° to 45° StraightShank BlackGold HSS ASMEB94.11M N P DIN338 K TiN Note For a wide range of material applications. Exceptional for deeper drilling. Faster penetration rates than conventional HSS heavy duty jobber drills. Aerospace-style 135° split point reduces drill "walking”. For Reduced Shank see Style #1873. Black and Gold TiN order number drill diameter decimal overall flute 1872 1872TN frac/wire/let mm equivalent length length Black & Gold TiN *1.00.03943412C18570C18670 *1.50.05914018C18573C18671 1/16.06251-7/87/8C18430C18630 1.60.06304320C18574— 1.65.06504320C18575— 1.75.06894622C18576— 1.80.07094622C18577— 5/64.078121C18431C18631 2.00.07874924C18578C18672 2.05.08074924C18579— 2.30.09065327C18580— 3/32.09382-1/41-1/4C18432C18632 41.09602-3/81-3/8C18541— 40.09802-3/81-3/8C18540— 2.50.09845730C18581C18673 39.09952-3/81-3/8C18539— 38.10152-1/21-7/16C18538— 2.60.10245730C18582— 37.10402-1/21-7/16C18537— 36.10652-1/21-7/16C18536— 7/64.10942-5/81-1/2C18433C18633 35.11002-5/81-1/2C18535— 34.11102-5/81-1/2C18534— 33.11302-5/81-1/2C18533— 2.90.11426133C18583— 32.11602-3/41-5/8C18532— 3.00.11816133C18584C18674 31.12002-3/41-5/8C18531— 1/8.12502-3/41-5/8C18434C18634 3.20.12606536C18585— 30.12852-3/41-5/8C18530— 3.30.12996536C18586C18675 29.13602-7/81-3/4C18529— 3.50.13787039C18587C18676 28.14052-7/81-3/4C18528— 9/64.14062-7/81-3/4C18435C18635 27.144031-7/8C18527— 3.70.14577039C18588— 26.147031-7/8C18526— 25.149531-7/8C18525— 24.15203-1/82C18524— 23.15403-1/82C18523— 5/32 .15623-1/82C18436C18636 22.15703-1/82C18522— 4.00.15757543C18589C18677 21.15903-1/42-1/8C18521— 20.16103-1/42-1/8C18520— 4.10.16147543C18590— 4.20.16547543C18591C18678 continued on next page *Not split point.
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