Buat Hole Konkrit, Mata Tebuk Lubang

⭐FEATURES⭐
- Thickened bold
* High-quality 45 steel forging, durable, and no tooth loss orcrooked teeth. Concentric drill

- A full-diamond-lengthened water drill bit is sharp and tough
* Drill powder diamond content increased by 30%. The drill bit contains high-quality diamonds, allowing you to drill holes with
ease.

⭐️FEATURES⭐️ - Standard hex joint, high quality screw hole interface, convenient for loading and unloading drill bits  - Scope of use : air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe etc - High strength seamless steel tube substrate with high hardness, not easy deformation,

⭐️FEATURES⭐️ - Standard hex joint, high quality screw hole interface, convenient for loading and unloading drill bits  - Scope of use : air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe etc - High strength seamless steel tube substrate with high hardness, not easy deformation,

⭐️FEATURES⭐️ - Standard hex joint, high quality screw hole interface, convenient for loading and unloading drill bits  - Scope of use : air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe etc - High strength seamless steel tube substrate with high hardness, not easy

⭐️FEATURES⭐️ - Standard hex joint, high quality screw hole interface, convenient for loading and unloading drill bits  - Scope of use : air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe etc - High strength seamless steel tube substrate with high hardness, not easy deformation,

⭐️FEATURES⭐️ - Standard hex joint, high quality screw hole interface, convenient for loading and unloading drill bits - Scope of use : air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe etc - High strength seamless steel tube substrate with high hardness, not easy deformation, and

⭐️FEATURES⭐️ - Standard hex joint, high quality screw hole interface, convenient for loading and unloading drill bits  - Scope of use : air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe etc - High strength seamless steel tube substrate with high hardness, not easy deformation,

⭐️FEATURES⭐️ - Standard hex joint, high quality screw hole interface, convenient for loading and unloading drill bits  - Scope of use : air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe etc - High strength seamless steel tube substrate with high hardness, not easy deformation,

⭐️FEATURES⭐️ - Standard hex joint, high quality screw hole interface, convenient for loading and unloading drill bits  - Scope of use : Air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe etc - High Strength seamless steel tube substrate with high hardness, not easy to