Howmet Aerospace - Step Drill, Chamfered, for Size-On-Size Studs

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Unit of Measure

Items	SFC164SD Step Drill, Chamfered, for Size-On-Size Studs	SFC190SD Step Drill, Chamfered, for Size-On-Size Studs	SFC250SD Step Drill, Chamfered, for Size-On-Size Studs	SFC312SD Step Drill, Chamfered, for Size-On-Size Studs	SFC375SD Step Drill, Chamfered, for Size-On-Size Studs
Series	N/A SFC
Material	N/A High Speed Steel
Heat Treat	N/A Per Drill Manufacturer´s Standard
Finish	N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional)
Size	N/A 164	N/A 190	N/A 250	N/A 312	N/A 375
A - Dia	N/A 0.1339 - 0.1346 in	N/A 0.1529 - 0.1536 in	N/A 0.2049 - 0.2056 in	N/A 0.2619 - 0.2629 in	N/A 0.3178 - 0.3188 in
B - Dia	N/A 0.2280 - 0.2290 in	N/A 0.2580 - 0.2590 in	N/A 0.3370 - 0.3380 in	N/A 0.3810 - 0.3820 in	N/A 0.4480 - 0.4490 in
C - Dia ±.010	N/A 0.535 in	N/A 0.620 in	N/A 0.770 in	N/A 0.920 in	N/A 1.060 in
D ±.40	N/A 3.875 in	N/A 4.125 in	N/A 4.750 in	N/A 5.125 in	N/A 5.625 in
E - Dia (Ref.)	N/A 0.2270-0.2295 in	N/A 0.2555-0.2595 in	N/A 0.3355-0.3395 in	N/A 0.3855-0.3895 in	N/A 0.4455-0.4495 in