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| Customized: | Non-Customized |
| Standard: | DIN |
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1. Raw micro grain material, high hardness and T.R.S
Carbide Coolant Hole Drill
Diameter: 1-30mm
Diameter Tolerance: +0.0mm/-.008mm (+0.0" / .0003")
Helix Angle: 30 degrees
Margin on the flute: 2.05% of the diameter
Length of cut: 6.732"
straight shank
OAL: 8.740"
Point Angle: 140°
point angle tolerance is ±2°
Material: WC:88%,CO12%,Grain size:0.4,Density:14.3,Hardness:92.5,KIC:9.4,TRS:>350
2. Application and usage
Suitable to cut Copper, Cast Iron, Carbon steel, Tool steel, Mould steel, Stainless steel, Plastic, Arcylic, et
| Model | Boring Range | D | L | LBK No | Insert | Insert Seat | Screw | Wrench | KGS | |
| Min | Max | |||||||||
| RBA19-25-LA-C | 19 | 25 | 18 | 35 | LBK1 | CCMT060204 | RL-C1925 | M2.5*6.0 | T8 | 0.15 |
| RBA25-35-LA-C | 25 | 35 | 24 | 40 | LBK2 | CCMT060204 | RL-C2535 | M2.5*6.0 | T8 | 0.3 |
| RBA32-45-LA-C | 32 | 45 | 31 | 40 | LBK3 | CCMT060204 | RL-C3245 | M4*8.0 | T15 | 0.5 |
| RBA40-55-LA-C | 40 | 55 | 39 | 50 | LBK4 | CCMT09T304 | RL-C4055 | M4*8.0 | T15 | 1 |
| RBA52-75-LA-C | 52 | 75 | 50 | 60 | LBK5 | CCMT09T304 | RL-C5275 | M4*8.0 | T15 | 2.5 |
| RBA68-110-LA-C | 68 | 110 | 68 | 70 | LBK6 | CCMT120408 | RL-C68110 | M4*8.0 | T20 | 3.1 |
| RBA110-164-LA-C | 110 | 164 | 108 | 70 | BST | CCMT120408 | RL-C110164 | M5*10.0 | T20 | 4.2 |
| RBA160-204-LA-C | 160 | 204 | _ | 70 | BST | CCMT120408 | RL-C160204 | M5*10.0 | T20 | 5.3 |
Product Description:
Our RBH Series High-Precision Rough Boring Heads deliver exceptional performance for heavy-duty machining applications. Featuring an innovative indexable twin-bit design, these boring tools provide superior stability and extended tool life.
Key Features:
Available in 8 standard sizes: RBH25, RBH32, RBH40, RBH52, RBH68, RBH90, RBH120, RBH160
Precision-ground indexable inserts for maximum cutting efficiency
Twin-bit configuration reduces vibration and improves surface finish
Heavy-duty construction for stable rough boring operations
Compatible with most CNC machining centers and boring mills
Made from premium alloy steel with hardened components
Technical Specifications:
• Boring diameter range: 25mm to 160mm (1" to 6.3")
• Repeatable accuracy: ±0.01mm
• Max. cutting depth: 3× diameter
• Suitable for steel, cast iron, and non-ferrous materials
Applications:
• Heavy rough boring operations
• Deep hole machining
• Large diameter boring
• Industrial maintenance and repair
Package Includes:
• Boring head assembly
• Installation instructions
• Basic maintenance tools
Why Choose Our RBH Boring Heads:
• 30% longer tool life compared to conventional boring heads
• Reduced setup time with quick-change inserts
• Backed by 12-month quality guarantee
• OEM/ODM services available
Ideal for machine shops, automotive manufacturers, and aerospace component producers requiring reliable rough boring solutions. Contact us today for volume discounts and custom config
3) How long does the whole procedure being worked out?
After you place a order,the production handling time is about 25-30 days.
4) What about the transportation and delivery date?
Normally, we use the DHL, TNT, UPS, FeDEx to send the goods, the shipping time around 5-7 days can be reach in your loca
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