Drill Size Chart | Saw Blade Chart | Esslinger.com | Esslinger Watchmaker Supplies Blog

Size	Blade Thickness	Blade Depth	Teeth Per Inch	For B & S Gauge	Drill Size
8/0	.0063" (.16 mm)	.0126" (.32 mm)	89	up to 26 Ga.	80
7/0	.0067" (.17 mm)	.0130" (.33 mm)	84	24-26 Ga.	80
6/0	.0070" (.18 mm)	.0140" (.36 mm)	76	24 Ga.	79
5/0	.0080" (.20 mm)	.0157" (.40 mm)	71	22 - 24 Ga.	78
4/0	.0086" (.22 mm)	.0175" (.44 mm)	66	22 Ga.	77
3/0	.0095" (.24 mm)	.0190" (.48 mm)	61	22 Ga.	76
2/0	.0103" (.26 mm)	.0204" (.52 mm)	56	20-22 Ga.	75
0	.0110" (.28 mm)	.0220" (.56 mm)	53.5	18-22 Ga.	73
1	.0120" (.30 mm)	.0240" (.61 mm)	51	18-20 Ga.	71
2	.0134" (.34 mm)	.0276" (.70 mm)	43	16-18 Ga.	70
3	.0140" (.36 mm)	.0290" (.74 mm)	40.5	16-18 Ga.	68
4	.0150" (.38 mm)	.0307" (.78 mm)	38	16-18 Ga.	67
5	.0158" (.40 mm)	.0331" (.84 mm)	35.5	16 Ga.	65
6	.0173" (.44 mm)	.0370" (.94 mm)	33	14 Ga.	58
7	.0189" (.48 mm)	.0400" (1.02 mm)	30.5	12 Ga.	57
8	.0197" (.50 mm)	.0440" (1.12 mm)	28	12 Ga.	55

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Herkules White Label Saw Blade & Drill Size Reference Chart