Page 144 - Michigan Drill

Solid Carbide Countersinks

Single Flute
COUNTERSINKS List No. C490 – 60° Point Angle Price Size Diameter Overall Price
Excellent for countersinking mild steels, not recommended for hardened steel.

List No. C491 – 82° Point Angle
List No. C492 – 90° Point Angle

Shank
Overall
Shank
Size
Diameter
Each
Length
Length
Each
77.22
3/16
27.45
1/4
1/4
2
1/2
2-3/4
3/4
2
3
1/4
161.82
1/2
3/8 3/16 2 21.96 5/8 1/2 2-3/4 116.82
30.03
1
1/2 1/4 2 56.34 1-1/4 3/4 3-1/4 233.28
Sets
90°
82°
60°
Sizes Pieces Set No. Set No. Set No. Price
1/4, 3/8, 1/2, 3/4, 1 5 C490S C491S C492S 392.46
All sets are supplied in wood block
Three Flutes
For a chatterless and clean finish chamfer
List No. C480 – 60° Point Angle
List No. C481 – 82° Point Angle
List No. C482 – 90° Point Angle
Shank Overall Price Shank Overall Price
Size Size
Diameter Length Each Diameter Length Each
1/8 1/8 1-1/2 18.97 5/8 1/2 2-5/8 91.35
3/16 3/16 2 24.80 3/4 1/2 2-3/4 106.67
1/4 1/4 2 28.19 7/8 1/2 3 154.34
5/16 1/4 2-1/2 33.23 1 1/2 3 160.78
3/8 1/4 2-1/2 36.36 1-1/4 3/4 3-1/4 272.31
1/2 1/4 2-1/2 55.50 1-1/2 3/4 3-1/2 390.55
Sets
60° 82° 90°
Sizes Pieces Price
Set No. Set No. Set No.
1/4”, 3/8”, 1/2”, 3/4”, 1” 5 C480S C481S C482S 422.30
All sets are supplied in wood block
Chatterless Six Flutes
Chatterless countersink for Hardened Steel & other tough Alloys.
List No. C495 – 60° Point Angle
List No. C496 – 82° Point Angle
List No. C497 – 90° Point Angle
Shank
Shank
Size Diameter Overall Price Size Diameter Overall Price
Length
Each
Each
Length
1/8 1/8 1-1/2 19.62 5/8 1/2 2-5/8 94.90
3/16 3/16 2 25.65 3/4 1/2 2-3/4 110.34
1/4 1/4 2 29.16 1 1/2 3 166.32
3/8 1/4 2-1/2 37.62 1-1/4 3/4 3-1/4 281.88
1/2 1/4 2-1/2 57.42 1-1/2 3/4 3-1/2 404.01
Sets
60° 82° 90°
Sizes Pieces Set No. Set No. Set No. Price
1/4, 3/8, 1/2, 5/8, 3/4 5 C495S C496S C497S 400.86
All sets are supplied in wood block
142 143