Industrial Hole Saw Quick-Lock Arbors, Mandrels & HSS Pilot Bits
SKU: NT-HLS-109
Est. 1998 · Unit 9F-H, East Building, Haijing Center, NO.144(M) Huangpu AVE, Guangzhou, China
Heavy-duty hole saw arbor mandrels featuring hardened alloy steel drive pins, 1/2"-20 & 5/8"-18 threads, and premium HSS center pilot drills for slip-free power transmission.
| Material | Heat-Treated 40Cr High-Tensile Alloy Steel |
|---|---|
| Thread Sizes | 1/2"-20 UNF (Small Saws) & 5/8"-18 UNF (Large Saws) |
| Pilot Drill | 1/4" (6.35mm (1/4")) HSS M2 Fully Ground Split Point |
| Available Shanks | 3/8" Hex, 7/16" Hex, SDS-Plus |
| fit | model | shank | thread |
|---|---|---|---|
| 14mm – 30mm Saws | NT-HLS-109-A1 | 3/8" Hex (9.5mm (3/8")) | 1/2"-20 |
| 32mm – 210mm Saws | NT-HLS-109-A2 | 7/16" Hex (11mm (0.43")) | 5/8"-18 with Drive Pins |
| 14mm – 30mm Saws | NT-HLS-109-A4 | 1/4" Round Shank | 1/2"-20 |
| 32mm – 210mm Saws | NT-HLS-109-SDS | SDS-Plus Hammer Shank | 5/8"-18 with Drive Pins |
Drive connection for 14mm to 210mm (9/16" to 8-1/4") hole saws, Heavy industrial drilling in structural steel, pipe flanges, and wood timbers, Contractor toolkits and replacement accessory programs
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.
| fit | model | shank | thread | RFQ Requisition | |
|---|---|---|---|---|---|
| 14mm – 30mm Saws | NT-HLS-109-A1 | 3/8" Hex (9.5mm (3/8")) | 1/2"-20 | ||
| 32mm – 210mm Saws | NT-HLS-109-A2 | 7/16" Hex (11mm (0.43")) | 5/8"-18 with Drive Pins | ||
| 14mm – 30mm Saws | NT-HLS-109-A4 | 1/4" Round Shank | 1/2"-20 | ||
| 32mm – 210mm Saws | NT-HLS-109-SDS | SDS-Plus Hammer Shank | 5/8"-18 with Drive Pins |
Drive connection for 14mm to 210mm (9/16" to 8-1/4") hole saws, Heavy industrial drilling in structural steel, pipe flanges, and wood timbers, Contractor toolkits and replacement accessory programs
Heavy-duty hole saw arbor mandrels featuring hardened alloy steel drive pins, 1/2"-20 & 5/8"-18 threads, and premium HSS center pilot drills for slip-free power transmission.
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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