# Set Details (Total 18 Pcs, 6 Pcs for each of 3 types)
6 Pcs Carbon Steel Wood Drill Bits
Sizes: Ø3, 4, 5, 6, 8, 10 mm
Process: Black oxide finish, fine edge trimming, quality consistent with reference sample
Application: Drilling on solid wood, wood panels and composite wood
6 Pcs Fully Ground HSS M2 Twist Drill Bits
Sizes: Ø3, 4, 5, 6, 8, 10 mm
Material: M2 high speed steel, fully ground bright drill
Hardness: HRC63–65 from drill tip to 75% flute length; Shank Hardness: HRC34–40
Application: Drilling on mild steel, aluminum, copper, plastic and other metal / non-metal sheets
6 Pcs YG6 Carbide Masonry Drill Bits
Sizes: Ø3, 4, 5, 5.5, 8, 10 mm
Shank Hardness: HRC38–45
Application: Drilling on brick wall, concrete, cement mortar and stone
## Product Features
3-in-1 combination set fulfills three major drilling scenarios including metal, wood, brick & concrete with one kit, perfect for decoration, plumbing maintenance and all-in-one installation work.
Professional PRO-grade production with strict sample-matching manufacturing standards. Three types of drill bits adopt customized materials and heat treatment processes to balance sharpness and service life.
HSS M2 twist drill features graded hardness design: high hardness on cutting area for wear resistance, tough shank for anti-break performance. YG6 carbide tip on masonry drill delivers excellent impact resistance under percussion drilling.
Transparent cylindrical storage tube for easy carrying and classified inventory, convenient for storage in vehicle tool bag to avoid bit loss.
## Applicable Materials
✅ Metal: Carbon steel, aluminum alloy, copper, plastic (HSS M2 twist drill)
✅ Wood: Solid wood, plywood, MDF (Carbon steel wood drill)
✅ Hard base material: Red brick, concrete, mortar, natural stone (YG6 masonry drill)
## Safety Operation Notice
Mandatory protective gear during operation: Protective gloves, safety goggles, earmuffs and dust mask









