Howmet Fastening Systems
Howmet Fastening Systems
Phone: Sales +1 800 992 4444
Technical Support +1 310 784 6409
Email: HFSTechSupport@howmet.com
Website: www.hfs.howmet.com
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Step Drill
Unit of Measure
1 

Item #

Material Type

Heat Treat

Finish

Size

A - Dia

D ±.2500

RCADC16-136 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 16 N/A 0.1353-0.1360 in N/A 4.125 in
RCADC16-149 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 16 N/A 0.1483-0.1490 in N/A 4.125 in
RCADC16-159 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 16 N/A 0.1583-0.1590 in N/A 4.125 in
RCADC18-149 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 18 N/A 0.1483-0.1490 in N/A 4.375 in
RCADC18-149S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 18 N/A 0.1483-0.1490 in N/A 4.375 in
RCADC18-159S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 18 N/A 0.1583-0.1590 in N/A 4.375 in
RCADC18-177 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 18 N/A 0.1763-0.1770 in N/A 4.375 in
RCADC18-180 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 18 N/A 0.1793-0.1800 in N/A 4.375 in
RCADC21-201 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 21 N/A 0.2003-0.2010 in N/A 4.750 in
RCADC21-201S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 21 N/A 0.2003-0.2010 in N/A 4.750 in
RCADC21-213 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 21 N/A 0.2123-0.2130 in N/A 4.750 in
RCADC21-213S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 21 N/A 0.2123-0.2130 in N/A 4.750 in
RCADC23-257 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 23 N/A 0.2560-0.2570 in N/A 5.000 in
RCADC23-257S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 23 N/A 0.2560-0.2570 in N/A 5.000 in
RCADC23-272 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 23 N/A 0.2710-0.2720 in N/A 5.000 in
RCADC23-272S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 23 N/A 0.2710-0.2720 in N/A 5.000 in
RCADC24-257 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 24 N/A 0.2560-0.2570 in N/A 5.125 in
RCADC24-257S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 24 N/A 0.2560-0.2570 in N/A 5.125 in
RCADC24-272 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 24 N/A 0.2710-0.2720 in N/A 5.125 in
RCADC24-312 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 24 N/A 0.3110-0.3120 in N/A 5.125 in
RCADC24-332 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 24 N/A 0.3310-0.3320 in N/A 5.125 in
RCADC27-312 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 27 N/A 0.3110-0.3120 in N/A 5.500 in
RCADC27-312S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 27 N/A 0.3110-0.3120 in N/A 5.500 in
RCADC27-332 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 27 N/A 0.3310-0.3320 in N/A 5.500 in
RCADC27-332S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 27 N/A 0.3310-0.3320 in N/A 5.500 in
RCADC28-312 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 28 N/A 0.3110-0.3120 in N/A 5.625 in
RCADC28-312S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 28 N/A 0.3110-0.3120 in N/A 5.625 in
RCADC28-332 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 28 N/A 0.3310-0.3320 in N/A 5.625 in
RCADC28-332S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 28 N/A 0.3310-0.3320 in N/A 5.625 in
RCADC28-343 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 28 N/A 0.3420-0.3430 in N/A 5.625 in
RCADC28-368 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 28 N/A 0.3670-0.3680 in N/A 5.625 in
RCADC31-386 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 31 N/A 0.3850-0.3860 in N/A 6.000 in
RCADC31-368 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 31 N/A 0.3670-0.3680 in N/A 3.875 in
RCADC31-368S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 31 N/A 0.3670-0.3680 in N/A 3.875 in
RCADC33-386 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 33 N/A 0.3850-0.3860 in N/A 3.875 in
RCADC33-386S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 33 N/A 0.3850-0.3860 in N/A 3.875 in
RCADC33-422 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 33 N/A 0.4210-0.4220 in N/A 3.875 in
RCADC38-422S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 38 N/A 0.4210-0.4220 in N/A 4.250 in
RCADC38-453 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 38 N/A 0.4520-0.4530 in N/A 4.250 in
RCADC38-453S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 38 N/A 0.4520-0.4530 in N/A 4.250 in
RCADC38-484 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 38 N/A 0.4830-0.4840 in N/A 4.250 in
RCADC38-506 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 38 N/A 0.5050-0.5060 in N/A 4.250 in
RCADC38-516 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 38 N/A 0.5148-0.5160 in N/A 4.250 in
RCADC43-578 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 43 N/A 0.5768-0.5780 in N/A 4.500 in
RCADC47-484S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 47 N/A 0.4830-0.4840 in N/A 5.000 in
RCADC47-506S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 47 N/A 0.5050-0.5060 in N/A 5.000 in
RCADC47-535 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 47 N/A 0.5338-0.5350 in N/A 5.000 in
RCADC47-535S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 47 N/A 0.5338-0.5350 in N/A 5.000 in
RCADC47-569 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 47 N/A 0.5678-0.5690 in N/A 5.000 in
RCADC47-569S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 47 N/A 0.5678-0.5690 in N/A 5.000 in
RCADC56-656 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 56 N/A 0.6548-0.6560 in N/A 5.625 in
RCADC56-656S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 56 N/A 0.6548-0.6560 in N/A 5.625 in
RCADC56-687 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 56 N/A 0.6858-0.6870 in N/A 5.625 in
RCADC56-687S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 56 N/A 0.6858-0.6870 in N/A 5.625 in
RCADC56-802S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 56 N/A 0.8008-0.8020 in N/A 5.625 in
RCADC64-765 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 64 N/A 0.7638-0.7650 in N/A 6.000 in
RCADC64-765S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 64 N/A 0.7638-0.7650 in N/A 6.000 in
RCADC64-802 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 64 N/A 0.8008-0.8020 in N/A 6.000 in
RCADC64-802S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 64 N/A 0.8008-0.8020 in N/A 6.000 in
RCADC64-927 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 64 N/A 0.9258-0.9270 in N/A 6.000 in
RCADC72-875 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 72 N/A 0.8738-0.8750 in N/A 6.625 in
RCADC72-875S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 72 N/A 0.8738-0.8750 in N/A 6.625 in
RCADC72-922 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 72 N/A 0.9208-0.9220 in N/A 6.625 in
RCADC72-927 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 72 N/A 0.9258-0.9270 in N/A 6.625 in
RCADC72-953 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 72 N/A 0.9518-0.9530 in N/A 6.625 in
RCADC82-984 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 82 N/A 0.9828-0.9840 in N/A 7.000 in
RCADC82-1043 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 82 N/A 1.0415-1.0430 in N/A 7.000 in
RCADC82-1043S N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 82 N/A 1.0415-1.0430 in N/A 7.000 in
RCADC82-1165 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 82 N/A 1.1635-1.1650 in N/A 7.000 in
RCADC90-1109 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 90 N/A 1.1075-1.1090 in N/A 7.375 in
RCADC90-1165 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 90 N/A 1.1635-1.1650 in N/A 7.375 in
RCADC100-1228 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 100 N/A 1.2265-1.2280 in N/A 7.750 in
RCADC100-1289 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 100 N/A 1.2875-1.2890 in N/A 7.750 in
RCADC124-1531 N/A High Speed Steel N/A Per Drill Manufacturer´s Standard N/A Strippable Plastic Coat to Protect Cutting Edges (Tube Packaging Optional) N/A 124 N/A 1.5295-1.5310 in N/A 8.500 in
Unit of Measure
1