12 HOLES REFERENCE STANDARD (Inch Version) COPPER

12 HOLE REFERENCE STANDARD WITH A .020" MID WALL NOTCH, .030" CORNER NOTCH, .050" CORNER NOTCH, .010" ,.020", .040: .050" SURFACE NOTCH

DIMENSION: 6" (L) x 2.5" (W) x 0.25" (T)

Holes SIZE: Ø0.12", 0.22", 0.25", 0.28", 0.31", 0.34", 0.38", 0.43", 0.5", 0.56", 0.63" and 0.75"

Surface Notches: Qty 4 @ 0.01", 0.02", 0.04" and 0.05" deep x 1" long

Hole Notch Configurations: 

(1)0.03" x 0.03" (45°) corner notch @ 0.004" wide in each hole (Qty 12)

(1) 0.02" full-bore (thru) notch @0.004" wide in each hole - (Qty 12)

(1) Full-bore (thru) notch @ 0.02" deep x 0.004" wide and (1) 0.05" x 0.05" (45°) corner notch @ 0.004" wide in each hole, 180° apart (Qty 24)

(1) Mid-bore notch @ 0.03" deep x 0.004" wide x 0.06" long in each hole - (Qty 12).

Notch Width (All): 0.004"mm (± .025)

MATERIAL: COPPER.

NOTE:  For special alloy request by mail.