
High-Frequency Welded Thin-Wall Reinforced Concrete Diamond Core Bit
Thin-wall high-frequency brazed diamond core bit engineered for high penetration speeds in cured concrete, granite aggregate, and precast building panels.

Dry & Wet Segmented Masonry & Brick Diamond Core Drill Bit with Slotted Barrel
SKU: NT-DCB-103
Est. 1998 · Unit 9F-H, East Building, Haijing Center, NO.144(M) Huangpu AVE, Guangzhou, China
Slotted-barrel dry coring diamond bit with spiral dust evacuation channels, designed for hand-held core drills cutting through brick, cinder block, and soft stone without water.
| Model | Diameter | Working Length | Segment | Thread |
|---|---|---|---|---|
| NT-DCB-103-51 | 51mm (2") | 400mm (16") | 10mm (3/8") | 1-1/4"-7 UNC / G1/2" |
| NT-DCB-103-82 | 82mm (3-1/4") | 400mm (16") | 10mm (3/8") | 1-1/4"-7 UNC / G1/2" |
| NT-DCB-103-102 | 102mm (4") | 450mm (18") | 10mm (3/8") | 1-1/4"-7 UNC / G1/2" |
| NT-DCB-103-152 | 152mm (6") | 450mm (18") | 10mm (3/8") | 1-1/4"-7 UNC / G1/2" |
| NT-DCB-103-200 | 200mm (8") | 450mm (18") | 10mm (3/8") | 1-1/4"-7 UNC |
Select individual or multiple dimensional models below to append directly to your B2B RFQ requisition.
| Model | Diameter | Working Length | Segment | Thread | RFQ Requisition | |
|---|---|---|---|---|---|---|
| NT-DCB-103-51 | 51mm (2") | 400mm (16") | 10mm (3/8") | 1-1/4"-7 UNC / G1/2" | ||
| NT-DCB-103-82 | 82mm (3-1/4") | 400mm (16") | 10mm (3/8") | 1-1/4"-7 UNC / G1/2" | ||
| NT-DCB-103-102 | 102mm (4") | 450mm (18") | 10mm (3/8") | 1-1/4"-7 UNC / G1/2" | ||
| NT-DCB-103-152 | 152mm (6") | 450mm (18") | 10mm (3/8") | 1-1/4"-7 UNC / G1/2" | ||
| NT-DCB-103-200 | 200mm (8") | 450mm (18") | 10mm (3/8") | 1-1/4"-7 UNC |
Slotted-barrel dry coring diamond bit with spiral dust evacuation channels, designed for hand-held core drills cutting through brick, cinder block, and soft stone without water.
Manufacturing processes and technical parameters are tailored according to customer requirements. Tell us your target material, dimensions, drawings, and order quantity, and we configure the construction, bond/alloy grade, and finishing to match.
We support flexible FOB and CIF delivery at any port in China (including Guangzhou, Shenzhen, Ningbo, Shanghai, Qingdao, Tianjin, and Xiamen) with 100% pre-shipment inspection before dispatch.
Yes. Custom laser marking, color finishes, private-label retail or industrial packaging, and barcode labeling are agreed with you before production.
Cross-Referenced Tooling

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