Proto Tools 1/4"-TIP-STYLE STARTING PUNCHES PRO J-50-1/2-S-2
Proto® J501/2S2 1-Piece Starting Punch, 1/4 in Parabolic, 6-1/2 in OAL, Steel
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BrandProto®
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UPC662679035952
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Manufacturer Part NumberJ501/2S2
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CountryUSA|Canada
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MaterialSteel
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Punch Size1/4 in
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Punch TypeParabolic
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ColorBlack
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Type1-Piece
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Overall Length6-1/2 in
- 1-piece design for strength and durability
- Reverse taper to help prevent binding
- Modified parabolic striking end to help reduce mushrooming and chipping
- Made from S2 steel and specially heat treated for greater strength and durability
- Black oxide finish to help prevent rust corrosion, extending tool life and performance
- A polished identification panel on one of the flats is marked with the tool number and size in a black inlay
- To aligning holes in two or more pieces of metal through which a bolt or screw is to be inserted
- Similar to drift punches, but with wider points and heavier, shorter body
| Competitor Name | Cross-Reference Number |
|---|---|
| Grainger | 6DJX5 |
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UNSPSC27111505
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Package DescriptionEACH
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Standards/ApprovalsASME B107.410
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Catalog
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Type J flanges sizes 3, 4 and 5 are manufactured of sintered carbon steel. The powdered metal manufacturing process provides high dimensional accuracy and uniform material properties for high strength. Size 6 is made of high strength cast iron. Flanges are bored-to-size for a slip fit on standard shafts. The outside face of the flange is precision machined, allowing the surface to be used to align the coupling without special tools.
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