Coffret de 5 forets étagés en acier rapide 4241 pour le perçage du métal et du bois, avec coffret en aluminium.

This is a set of step drills made of high speed steel 4241. Different specifications can meet different drilling requirements. The aluminum box can accommodate and the drill bits.



Specifications:

Material: high speed steel 4241

Quantity: 5pcs

Size:

1/4" to 1-3/8" (10 steps): 1/4", 3/8" 1/2", 5/8", 3/4", 7/8", 1", 1-1/8", 1-1/4", 1-3/8"

3/16" to 7/8" (12 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"

1/4" to 3/4" (9 steps): 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4"

1/8" to 1/2" (13 steps): 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2"

3/16" to 1/2" (6 steps): 3/16", 1/4", 5/16", 3/8", 7/16", 1/2"

Shank diameter:

1/4" to 1-3/8": 8mm/ 0.3in

3/16" to 7/8": 8mm/ 0.3in

1/4" to 3/4": 8mm/ 0.3in

1/8" to 1/2": 6mm/ 0.2in

3/16" to 1/2": 6mm/ 0.2in

Package size: 152* 107* 43mm/ 6.0* 4.2* 1.7in

Package weight: 502g/ 1.1lb



Packing List:

5* Step Drill

1* Aluminum Box