
Sheet Metal Thin-Gauge Bi-Metal Hole Saw with Safety Depth Stop Collar
Specialized shallow-depth sheet metal hole saw with safety flange stop collar to prevent over-penetration into electrical wiring and internal components behind metal panels.

TCT Tungsten Carbide Tipped Heavy-Duty Metal & Stainless Steel Hole Saw
SKU: NT-HLS-112
Est. 1998 · Unit 9F-H, East Building, Haijing Center, NO.144(M) Huangpu AVE, Guangzhou, China
High-durability TCT tungsten carbide tipped metal hole saw engineered for stainless steel 304/316, thick plate steel, iron pipe, and aluminum with spring ejection.
| Tooth Material | Micrograin Tungsten Carbide (TCT) |
|---|---|
| Tooth Geometry | Triple-Chip Ground (TCG) Multi-Angle Teeth |
| Max Plate Thickness | Up to 25mm (1") Steel |
| Shank | 10mm (3/8") with 3 Anti-Slip Flats |
| Diameter Range | 14mm (0.55") – 150mm (9/16" – 6") |
| size | model | maxDepth |
|---|---|---|
| 22mm (7/8") | NT-HLS-112-022 | 25mm (1") |
| 30mm (1-3/16") | NT-HLS-112-030 | 25mm (1") |
| 35mm (1-3/8") | NT-HLS-112-035 | 25mm (1") |
| 50mm (2") | NT-HLS-112-050 | 25mm (1") |
| 75mm (3") | NT-HLS-112-075 | 25mm (1") |
Stainless steel tanks, pipework, and commercial kitchen fabrication, Heavy structural steel I-beams, truck chassis, and railway cars, Abrasive fiberglass reinforced plastics (FRP) and composite materials
Process-by-requirement custom OEM/ODM manufacturing confirmed against buyer drawings prior to production.
Select individual or multiple dimensional models below to append directly to your B2B RFQ requisition.
| size | model | maxDepth | RFQ Requisition | |
|---|---|---|---|---|
| 22mm (7/8") | NT-HLS-112-022 | 25mm (1") | ||
| 30mm (1-3/16") | NT-HLS-112-030 | 25mm (1") | ||
| 35mm (1-3/8") | NT-HLS-112-035 | 25mm (1") | ||
| 50mm (2") | NT-HLS-112-050 | 25mm (1") | ||
| 75mm (3") | NT-HLS-112-075 | 25mm (1") |
Stainless steel tanks, pipework, and commercial kitchen fabrication, Heavy structural steel I-beams, truck chassis, and railway cars, Abrasive fiberglass reinforced plastics (FRP) and composite materials
High-durability TCT tungsten carbide tipped metal hole saw engineered for stainless steel 304/316, thick plate steel, iron pipe, and aluminum with spring ejection.
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.
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Specialized shallow-depth sheet metal hole saw with safety flange stop collar to prevent over-penetration into electrical wiring and internal components behind metal panels.

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