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PSSNR 2525M12 EXTERNAL TOOLHOLDER
Indexa Lever Lock External Toolholders – PSSN R/L
45° offset approach for negative square inserts.
Out of stock
SKU : IND1063560K
Indexa Lever Lock External Toolholders – PSSN R/L
45° offset approach for negative square inserts.
Specification :
Brand : Indexa
Designation PSSN…. : R 2525M
Dimensions a : 8.3
Dimensions b : 25
Dimensions f : 32
Dimensions h=h1 : 25
Dimensions l1 : 150
Dimensions l2 : 28
eCl@ss Code : 28039190
Overall Weight : 0.74
Supplier Part No. : 106-3560
UNSPSC Code : 23242106
| Weight | 1 kg |
|---|
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Now with 38 pages of engineering data. Each page coated with an gloss lamination to protect against the dirt and grease encountered in workshop conditions.
Contents:
⢠Basic forms of heat treatment
Colour charts for tempering and for hardening & forging.
⢠Material groups
Colour coded machineability chart and hardness listing.
⢠Tensile strength and hardness
Shore hardness and equivalent tensile strengths and conversions included.
⢠Lubricant selection
Colour coded materials chart and dilution guidelines.
⢠Hole and shaft tolerances
H7-e8 tolerances for counterbores included.
⢠Metric screw and hole sizes
⢠Thread notation
Explains terminology used to define thread characteristics.
⢠Standard thread forms;
Sequenced logically, tapping and clearance sizes integrated into single chart and colour highlighted for quick reference. Includes special metric pitches & NPT, distinctions made between ‘Rp’ and ‘G’ series BSP. ISO 529 pitch form diagrams shown. Now also lists tapping and clearance drill sizes for fluteless tap.
⢠Dimensions of common shank types
Now includes screwed shank, Weldon, DIN Taper, BT Taper, ISO Taper in addition to Morse taper shank details.
⢠Standards for engineering drawings
Comprehensive listing including contemporary listings and illustrations.
⢠Abbreviations used in engineering drawings
⢠Common CNC codes
Comprehensive listing including contemporary listings.
⢠Axis nomenclature for machine tools
Newly added page explaining the use of letter addresses to define directional motion.
⢠Trigonometry formulae
Colour coded CAD produced illustrations for quick reference.
⢠Sines and Cosines
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⢠Tangents and Cotangents
Calculated to six decimal places with colour coded axes for quick reference.
⢠Co-ordinates for equally pitched holes
Clear and easy to read CAD produced diagrams.
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⢠Cutting speed calculator
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⢠Standard drill size conversions;
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⢠Abbreviations and formulaes
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Cutting takes place only on the throat and the first full tooth; the remaining threads are above centre height and act as a nut, ensuring accurate pitch. Ideal for batch work or continuous production of threaded steel bar. Coventry dies are not interchangeable. An original set of new dies must always be used together. When taken from the diehead the set of dies should be retained in its box until required again.
Throat Angles
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33° âBâ type for cutting brass, available on request.Grinding Dies
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Each die is marked with: diameter, pitch, type of die and gauge number. Non-standard or special dies are marked with an SD number which should be quoted when re-ordering. When a set of dies has been re-ground several times by grinding the throat angle, the height of the cutting edge rises above centre. This condition must be rectified by grinding the rake angle until the die height is correct according to the number shown on the die. -
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Each die is marked with: diameter, pitch, type of die and gauge number. Non-standard or special dies are marked with an SD number which should be quoted when re-ordering. When a set of dies has been re-ground several times by grinding the throat angle, the height of the cutting edge rises above centre. This condition must be rectified by grinding the rake angle until the die height is correct according to the number shown on the die. -
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