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Steps drill

Norm: Enterprise Standard

Material: HSS, HSS-Co

Metric sizes

Holes	Hole sizes	Increments	Shank
5	4-12mm	by 2mm increments	6
9	4-12mm	by 1mm increments	6
9	4-20mm	by 2mm increments	8
10	4-22mm	by 2mm increments	10
14	4-30mm	by 2mm increments	10
15	4-32mm	by 2mm increments	13
13	5-35mm	by 2-3mm increments	13
7	6-18mm	by 2mm increments	10
8	6-20mm	by 2mm increments	8
12	6-30mm	by 2-3mm increments	10

Inch sizes

Holes	Hole sizes	Increments	Shank
13	1/8"-1/2"	by 1/32" increments	1/4"
6	3/16"-1/2"	by 1/16" increments	1/4"
9	1/4"-3/4"	by 1/16" increments	3/8"
12	3/16"-7/8"	by 1/16" increments	3/8"
10	1/4"-1.3/8"	by 1/8" increments	1/2"

HSS steps drill sets

Item / cs/set		Description	packing
3pcs/set		4-12x9 steps	Metal
		4-20x9 steps	wood
		4-30x14 steps	plastic
3pcs/set		4-12x5 steps	Metal
		4-20x9 steps	wood
		4-32x15 steps	plastic
3pcs/set		4-12x9 steps	Metal
		6-20x8 steps	wood
		6-30x13 steps	plastic
3pcs/set		3/16"-1/2"x6 steps	Metal
		1/8"-1/2"x13 steps	wood
		1/4"-3/4"x9 steps	plastic