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Die M85x2 HSS - Die fine threaded
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  • Die M85x2 HSS - Die fine threaded
  • Die M85x2 HSS - Die fine threaded - nr. 1
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Die M85X2 HSS DIN 22 568

€404.61 tax inc.

Net price: €328.95

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W magazynie: 2 pcs.
W magazynie: 2 pcs.

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Call and order: (44) 755-04-05

Description

Technical data for the M85x2 die

Technical data
Thread size D1 M85x2
Thread Pitch P 2.0 mm
Outside Diameter D2 150 mm
Thickness H1 22 mm
Number of Chip Holes 9
Required Shaft Diameter 84.82 mm
Metric fine thread die drawing

Die M85x2 HSS DIN 22 568 – threading structures of extremely large dimensions

The M85x2 die is a highly specialized round tool made of high-speed steel (HSS) with a hardness of 64 HRC, designed for cutting external metric threads with an extremely large diameter of 85 mm and a pitch of 2 mm. This tool is a solution for workshops servicing the largest industrial machines, steel structures, and power generation equipment with dimensions exceeding typical standards. Compliance with DIN 22 568 and a tolerance of 6g ensure a proper fit with 6H nuts in the largest heavy industry applications. The diameter of 85 mm places the tool in the category of extremely large components requiring specialized holders and highly qualified operators.

Key advantages of the M85x2 die for extreme applications

  • Diameter of 85 mm for the largest structures – this size makes the tool suitable for the main shafts of the largest machines, large cylinder rods, and foundation components in power generation and shipyards
  • Standard pitch of 2 mm – conventional pitch providing adequate mechanical strength of the connection while allowing thread cutting despite the extremely large tool dimensions
  • HSS steel hardness of 64 HRC – the tool material offers exceptional wear resistance during prolonged threading of extremely large diameters in steels up to 800 MPa
  • 6g tolerance according to ISO – standard medium fit with normal clearance allows nuts to be installed without binding at very large sizes
  • One-piece round design – the one-piece design without segments provides the absolute maximum rigidity required for threading extremely large diameters

The M85x2 die is a tool for the most specialized industrial workshops serving the shipbuilding, power generation, and mining industries, as well as steel structures of extreme dimensions. It is suitable for cutting threads on drive shafts of the largest ships, rods of large actuators, and foundation rods. Due to the extreme dimensions, threading requires a mechanical drive, highly rigid industrial holders, and experienced operators.

Frequently asked questions

Prepare the rod (diameter 84.5-84.6 mm) with a carefully machined 45° chamfer. Due to the extreme dimensions, a mechanical drive is absolutely essential – a lathe or a specialized threading machine. Advance the die in the following cycle: two turns forward, one reverse movement of half a turn. Use the most rigid clamping possible to eliminate any vibration.

For an extremely large diameter, use intensive lubrication with threading oils or a cooling and lubricating emulsion. Apply generously before starting and every 2-3 turns. Due to the very high cutting forces at a diameter of 85 mm, consider an automatic lubrication system on the machine to ensure a continuous supply of lubricant.

At extreme dimensions, problems are particularly dangerous for the operator and equipment. Stop the mechanical drive immediately at the slightest increase in resistance, and withdraw the die in reverse mode. Check the rod diameter very carefully (tolerances are critical), and clean the flutes completely. Resume with maximum caution and more frequent reversing (every 1.5 turns), under the supervision of an experienced operator.

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Die M85X2 HSS DIN 22 568

Die M85X2 HSS DIN 22 568

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All orders are delivered by courier company GLS. For orders exceeding 369 PLN gross shipping is FREE

Courier GLS Przelew24 / Prepayment 14,76 zł gross Delivery time 1 working day
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