Item # RCDC28-404, RCDC Series Tooling - Chamfered Step Drills for Aluminum Applications On Howmet Aerospace

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Catalog > Inserts and Studs > Ring Locked Inserts & Studs > Tooling for Ring Locked Inserts > RCDC Series Tooling - Chamfered Step Drills for Aluminum Applications > Item # RCDC28-404

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Unit of Measure

Specifications
Notes

Series	N/A RCDC
Material Type	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 28
A - Dia	N/A 0.4030-0.4040 in
B - Dia	N/A 0.4360-0.4370 in
C ±.0050	N/A 0.614 in
D ±.2500	N/A 5.625 in

N/A

<2> Conical point optional.
Made from standard straight shank jobbers or screw machine twist drills.
<6> Configuration applicable only for part number RCDC72-875 thru RCDC124-1789.
Dimensions and tolerances not shown are per ANSI B94.11M.
Caution: Step drills are designed for thru hole drilling. When used to drill a blind hole, it may be necessary to grind the drill to suit the depth required.