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Description
Technical specifications of the M48x4 manual threader
| Technical data | |
|---|---|
| Nominal diameter d1 mm | M48 |
| Thread pitch P mm | 4 mm |
| Overall length l1 | 185 mm |
| Length of working part l2 | 65 mm |
| Diameter of shank part d2 | 32 mm |
| Size of square drive a | 25 mm |
| Threaded bore diameter | 44 mm |
| Thread angle G | 60 degrees |
| Thread standard | ISO DIN 13 |
| Thread tolerance | ISO2 6H |
M48x4 fine thread hand taps
Hand Tap M48X4 ISO 529/2 6H HSS is used for making internal M48 metric joints with a pitch of four millimeters in structural steels up to eight hundred mega pascals; the two-part organization of the passes (I/II) guides the cutting calmly and helps to maintain the fit in class six H, which in practice puts the M48x4 Hand Taps Set in order already at the start.
Performance parameters: nominal diameter forty-eight millimeters; stroke four millimeters; outline sixty degrees according to ISO 68-1; bore tolerance field 6H according to ISO 965; right-hand design; straight chip grooves directing the chip out of the machining zone. Ground high-speed steel maintains low edge micro roughness and reduces micro chipping. ISO 529/2-compliant work - introductory (I) and finishing (II) member - balances torsional loads and promotes alignment. Recommended drill under thread: forty-four millimeters; lubrication with emulsion or active oil improves surface finish and edge life.
- Forming smoothness - separating tasks between I and II reduces torque pulsations, reducing the risk of chafing on a full profile.
- Working edge life - precision HSS grinding slows abrasion and reduces material sticking on the tooth face.
- Grade 6H accuracy - effective diameter maintained within tolerance range promotes a positive pass/fail test result.
- Process order - on the Set Taps Manual M48x4 bench facilitates unambiguous selection of members and standardizes the order of passes.
Standards framework: ISO 529/2 (two-member layout), ISO 68-1 (metric sixty-degree geometry) and ISO 965 (class 6H). Maintaining these requirements, supported by the I/II sequence, translates into predictable coil outlines and repeatable dimensions in unit and short-run implementations.
M48x4 thread cutting stages in a 2-piece set: ripper and finisher
Frequently asked questions
1. What kind of pre-drilling for M48x4?
Drill 44 mm (48 mm diameter minus 4 mm pitch) to get the correct profile fill in Class 6H.
2. Is the M48x4 threader suitable for blind holes?
Yes, the set can be used for both through holes.
3. What are the advantages of being made of HSS?
HSS high-speed steel provides high durability, wear resistance and stable operation even in demanding conditions.
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Shipping
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 |
| Courier GLS | Cash on delivery | 17,26 zł gross | Lead time 1 working day |
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