3pc hex shank inch step drill
Material: high speed steel 4241 (suitable for workpieces with hardness below 25°, such as carbon steel, thin iron plate, insulation board, PVC board, wood board, sheet thickness below 5MM)
3/16-1/2\`\`6th order: 3/16\`\` (4.76mm), 1/4\`\` (6.35mm), 5/16\`\` (7.94mm), 3/8\`\` (10.35mm ), 7/16\`\` (11.11mm), 1/2\`\` (12.7mm)
1/4-3/4\`\`: 9th order: 1/4\`\` (6.35mm) 5/16\`\` (7.94mm), 3/8\`\` (10.35mm), 7/16\`\` (11.11mm ), 1/2\`\` (12.7mm), 9/16\`\` (14.28mm), 5/8\`\` (15.88mm), 11/16\`\` (17.46mm), 3/4\`\` (19.05mm )
1/8-1/2\`\` 13th order: 1/8\`\` (3.18mm), 5/32\`\` (3.97mm), 3/16\`\` (4.76mm), 7/32\`\`, (5.56 Mm)
1/4\`\` (, 9/32\`\` (7.14mm), 5/16\`\` (7.94mm), 11/32\`\` (8.73mm), 3/8\`\` (9.53mm), 13/32 \`\`(10.32mm), 7/16\`\` (11.11mm), 15/32\`\` (11.91mm), 1/2\`\` (12.7mm)
Weight: 0.11kg
Metric three-piece set:
4-12mm: 4mm, 6mm, 8mm, 10mm, 12mm
4-20mm: 4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm
3-12mm: 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm
Features:
This is the New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter, which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat
It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc
Package Included:
1x Set (3pcs) HSS Step Drill Bit
Step drill product features:
1. Unique step structure, one drill bit can open a variety of sizes and sizes, and one step drills to a box of drill bits.
2, no need to use the center punch, compared with ordinary twist drill is not easy to break. On-site construction, a variety of specifications for a step drill.
3, deburring, chamfering, open elliptical hole expansion, twist drill can not complete the function it becomes possible.
4. Compared with ordinary twist drills. Shaking is small, and you don\`t need to lead the center punch to open a beautiful aperture. Use tools: pistol drill, bench drill.