Drill Steel & Bits In Stock

Types of Drill Steel

Drill Steel Measurements

1 Piece Steel & Bit (Whirly Bit)
Part Number Hole Dia. Shank Size UC Length
005367-12.00 5/8" (15.9mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 12" (30.5cm)
005367-24.00 5/8" (15.9mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 24" (61.0cm)
004209-12.00 3/4" (19.1mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 12" (30.5cm)
004209-24.00 3/4" (19.1mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 24" (61.0cm)
004541-12.00 7/8" (22.2mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 12" (30.5cm)
004541-24.00 7/8" (22.2mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 24" (61.0cm)
004745-12.00 1" (25.4mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 12" (30.5cm)
004745-24.00 1" (25.4mm) 7/8" x 4 1/4" (22.2mm x 107.9mm) 24" (61.0cm)
All 4 1/4" shanks can be cut to a 3 1/4" shank

Tapered Steel
Part Number Shank Size UC Length Notes

003749-12.00

7/8" x 4 1/4" (22.2mm x 107.9mm) 12" (30.5cm) For 1" Bits ONLY
003747-1.000
003749-24.00 7/8" x 4 1/4" (22.2mm x 107.9mm) 24" (61.0cm)
004116-12.00 7/8" x 4 1/4" (22.2mm x 107.9mm) 12" (30.5cm) For 1 1/8 " & Larger Bits ONLY
004116-24.00 7/8" x 4 1/4" (22.2mm x 107.9mm) 24" (61.0cm)
Tappered Bits
Part Number Hole Diameter Shim Part Number Notes
003747-1.000 1" (2.54cm) 003839-00000 Use 003749-12.00 or
003749-24.00 Steel ONLY
003747-1.120 1 1/8 " (2.86cm) 003901-00000 Use 003749-12.00 or
003749-24.00 Steel ONLY
003747-1.180 1 3/16 " (3.01cm) 003901-00000
003747-1.250 1 1/4 " (3.18cm) 003901-00000
003747-1.310 1 5/16 " (3.34cm) 003901-00000
003747-1.370 1 3/8 " (3.49cm) 003901-00000
003747-1.430 1 7/16 " (3.65cm) 003901-00000
003747-1.500 1 1/2 " (3.81cm) 003901-00000
003747-1.560 1 9/16 " (3.97cm) 003901-00000
003747-1.620 1 5/8" (4.13cm) 003901-00000
003747-1.750 1 3/4 " (4.45cm) 003901-00000
003747-1.810 1 13/16 " (4.60cm) 003901-00000
003747-1.880 1 7/8" (4.76cm) 003901-00000
003747-2.000 2" (5.08cm) 003901-00000
All 4 1/4" shanks can be cut to a 3 1/4" shank

"H" Thread Steel
Part Number Shank Size UC Length

005061-24.00

7/8" x 4 1/4" (22.2mm x 107.9mm) 24" (61.0cm)
05061B-24.00 1" x 4 1/4" (25.4mm x 107.9mm) 24" (61.0cm)
"H" Thread Bits
Part Number Hole Diameter Note
005140-1.370 1 3/8 " (3.49cm)  
005140-1.500 1 1/2 " (3.81cm)
005140-1.620 1 5/8" (4.13cm)
005140-1.750 1 3/4 " (4.45cm)
005140-1.870 1 7/8" (4.76cm)
005140-2.000 2" (5.08cm)
005140-2.250 2 1/4 " (5.72cm)
005140-2.500 2 1/2 " (6.35cm) Multiple use bit
All 4 1/4" shanks can be cut to a 3 1/4" shank