Precision CNC Machined Tungsten Carbide Bits
Ultra-durable 8*70L tungsten carbide hinge boring bits deliver exceptional wear resistance and extended lifespan for high-frequency woodworking tasks
Square Hole Perfection
Engineered for flawless square holes in hinges, ensuring precise fit and seamless cabinet door installations
Professional-Grade Wood Drilling
Razor-sharp cutting edges and optimized flute design prevent tear-out in hardwoods, MDF, and composite materials
Heavy-Duty Industrial Performance
Hardened steel shank withstands high torque demands for production workshops and professional carpentry
Multi-Material Compatibility
Works effortlessly on solid wood, plywood, particle board, and laminated surfaces without chipping
Friction-Reduced Coating
Specialized surface treatment minimizes heat buildup during continuous operation for cleaner cuts
Global Sourcing Advantage
Direct-from-factory pricing enables bulk purchases at unmatched wholesale rates for contractors and distributors


















Recent Purchase
vvs***
Diameter:4.8*70R;Overall Length:70mm;Type:End Mill;
$26.44
25 days ago
uma***
Diameter:5*70L;Overall Length:70mm;Type:End Mill;
$34.0
10 days ago
ybc***
Diameter:5*70R;Overall Length:70mm;Type:End Mill;
$159.40
1 day ago
frc***
Diameter:6*70R;Overall Length:70mm;Type:End Mill;
$88.76
32 days ago
pzk***
Diameter:8*70L;Overall Length:70mm;Type:End Mill;
$47.76
10 days ago
ntm***
Diameter:8*70R;Overall Length:70mm;Type:End Mill;
$26.12
33 days ago
View All
Customer Reviews

Super Ling professional cnc 8*70L tungsten carbide hinge boring bits wood dril square hole for woodworking
$4$5.97-33%
Diameter:
5*70R
8*70L
8*70R
6*70R
4.8*70R
5*70L
Type:
End Mill
Overall Length:
70mm
Quantity:
Add to Cart
Wishlist
Features
See More