Micrograin Carbide - Standard Sizes
Size (inches)	Part No. Prefix	A = One End Split								B = Both Ends Split								C = Full Round Blank
		Half-Round		Half-Round		Quarter-		Quarter-		Half-Round		Half-Round		Quarter-		Quarter-
		Split Blank		Split Blank		Round		Round		Split Blank		Split Blank		Round		Round
				Sharpened		Blank		Sharpened				Sharpened		Blank		Sharpened
1/16 × 2	M062-20	3.25		6.75		4.80		8.30		4.15		11.15		7.20		14.20		2.35
3/32 × 2	M093-20	3.25		6.75		4.80		8.30		4.15		11.15		7.20		14.20		2.35
1/8 × 1½	M125-15	2.55		6.05		4.10		7.60		3.45		10.45		6.50		13.50		1.65
1/8 × 2	M125-20	3.20		6.70		4.75		8.25		4.10		11.10		7.15		14.15		2.30
1/8 × 3	M125-30	4.85		8.35		6.40		9.90		5.75		12.75		8.80		15.80		3.95
1/8 × 6	M125-60	13.85		14.65		15.40		16.20		15.10		19.05		16.65		22.10		9.45
5/32 × 2	M157-20	4.90		8.90		6.95		10.95		6.10		14.10		10.20		18.20		3.70
3/16 × 1½	M187-15	5.35		9.35		7.90		11.90		n/a		n/a		n/a		n/a		3.85
3/16 × 2	M187-20	5.70		9.70		8.25		12.25		7.20		15.20		12.30		20.30		4.20
3/16 × 3	M187-30	8.90		12.90		11.45		15.45		10.40		18.40		15.50		23.50		7.40
3/16 × 4	M187-40	10.45		14.45		13.00		17.00		11.95		19.95		17.05		25.05		8.95
3/16 × 6	M187-60	14.65		18.65		17.20		21.20		16.15		24.15		21.25		29.25		13.15
1/4 × 2	M250-20	8.55		12.55		12.40		16.40		10.80		18.80		18.45		26.45		6.30
1/4 × 3	M250-30	12.40		16.40		16.25		20.25		14.65		22.65		22.30		30.30		10.15
1/4 × 4	M250-40	17.25		19.95		18.85		21.65		19.50		26.20		24.90		31.70		15.00
1/4 × 6	M250-60	20.20		21.80		22.85		23.90		22.45		28.05		28.90		33.95		21.15
5/16 × 2	M312-20	13.35		17.85		n/a		n/a		17.00		26.00		n/a		n/a		9.70
5/16 × 3	M312-30	17.30		21.80		n/a		n/a		20.95		29.95		n/a		n/a		13.65
5/16 × 4	M312-40	21.90		26.40		n/a		n/a		25.55		34.55		n/a		n/a		18.25
5/16 × 6	M312-60	30.20		34.70		n/a		n/a		33.85		42.85		n/a		n/a		26.55
3/8 × 2	M375-20	17.80		n/a		n/a		n/a		22.05		n/a		n/a		n/a		13.55
3/8 × 3	M375-30	21.35		n/a		n/a		n/a		25.60		n/a		n/a		n/a		17.10
3/8 × 4	M375-40	28.10		n/a		n/a		n/a		32.35		n/a		n/a		n/a		23.85
3/8 × 6	M375-60	36.70		n/a		n/a		n/a		40.95		n/a		n/a		n/a		32.45
1/2 × 3	M500-30	34.05		n/a		n/a		n/a		41.05		n/a		n/a		n/a		27.05
1/2 × 4	M500-40	46.80		n/a		n/a		n/a		53.80		n/a		n/a		n/a		39.80
1/2 × 6	M500-60	65.55		n/a		n/a		n/a		72.55		n/a		n/a		n/a		58.55
5/8 × 4	M625-40	65.70		n/a		n/a		n/a		76.20		n/a		n/a		n/a		55.20
5/8 × 6	M625-60	93.30		n/a		n/a		n/a		103.80		n/a		n/a		n/a		82.80
3/4 × 4	M750-40	76.60		n/a		n/a		n/a		92.60		n/a		n/a		n/a		60.60
3/4 × 6	M750-60	133.10		n/a		n/a		n/a		149.10		n/a		n/a		n/a		117.10
1 × 4	M1000-40	148.25		n/a		n/a		n/a		176.25		n/a		n/a		n/a		120.25
1 × 6	M1000-60	221.70		n/a		n/a		n/a		249.70		n/a		n/a		n/a		193.70