Thread And Plain Gauges

Approx. Rs 6,175 / PieceGet Latest Price

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Kuroda Precision Industries: A Brief introduction
Kuroda was founded in 1925 as one of the first dedicated gauge manufacturers in Japan. Since then, they have developed various products based on precision measuring and processing technology. While working to preserve traditional skills, techniques and reputation for best quality, they also employ latest technologies through active R&D. Kuroda’s mission continues to be that of support to the customers through their high precision measuring and processing technology based on the philosophy of P&P (Precision and Productivity) and the spirit of C&C (Challenge and Create).

Features:

• Light construction
• Longer operating life
• Manufacturing to the highest Japanese quality standards
• Best Raw materials from Japan used
• Easy to use: The handle is standard-equipped on all products
• Upon request, a Hook Ring can be mounted on larger diameter ring gauges for better work ability

When ordering, please provide information on:

• Type of gauge
• Size of gauge
• Reference master or working gauges
• Plug or ring or both
• Right hand or left hand, in case of API Spec. 7-2 thread gauges
• Inspection results to be stated in inches or mm

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Features:

• These are taper pipe threads where pressure tight joints are made on threads. The thread angle is 55°
• Gauges are manufactured as per ISO 7-2, EN 10226, BS 21, JIS B0253

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Features:

• NPTF & ANPT threads require additional gauging as the truncation of these threads should be maintained within specified limits.
• L1 & L3 plug gauges and L1 & L2 Ring gauges are used in combination to verify the size and taper of the component threads along the thread length.
• 6 Step Crest check plug and ring gauges are used to verify the crest diameter and truncation of the component threads along the thread length.

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Features:

• Gauge dimensions are as per DIN 103-9
• Recommended Tolerance classes are 7H/7e for medium tolerance quality and 8H/8c for coarse tolerance quality.

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Features:

• Gauge dimensions for Acme threads are as per ASME B1.5 and Stub Acme as per ANSI/ASME B1.8
• Most commonly used class is 2G. If less backlash is desired in acme threads, 3G & 4G class are used
• The height of Acme threads is 0.5p, whereas the height of Stub Acme threads is 0.3p

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Acceptance criteria for components:
The GO gauge when screwed by hand without using excessive force, should enter and pass the whole length of the workpiece thread. The NOT GO gauge when screwed by hand without using excessive force, should not enter the component by more than two turns of the thread from both ends.

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The GO gauge when screwed by hand without using excessive force, should enter and pass the whole length of the workpiece thread. The NOT GO gauge when screwed by hand without being forced, should not enter the component by more than three complete turns.

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Features:

• Used for setting of measuring instruments like horizontal comparators, length measuring machines for ID checking, dial bore gauges etc.
• Made from oil hardening non shrinking gauge steel, hardened and tempered to 60-62 HRC
• Sub-zero treated at -80 °C for long term dimensional stability
• Actual dimensions duly etched
• Calibrated at 20 °C under Standards room condition against national/international traceable standards
• Certificate of calibration is provided along with each master traceable to national/international standards, certificate under NABL (as per ISO 17025) as per request
• Manufactured as per DIN2250-1 Type C
• Master Setting Rings also supplied in standard set consisting of sizes:
  • Set 1: Ø4.0, Ø5.0, Ø6.0 & Ø8.0 mm
  • Set 2: Ø10.0, Ø12.0, Ø16.0 , Ø20.0 & Ø25.0 mm
• Set also supplied as per customer’s requirement

 

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Approx. Rs 7,500 / SetGet Latest Price

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Approx. Rs 46,750 / SetGet Latest Price

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Approx. Rs 4,805 / SetGet Latest Price

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Thread Gauge: Multi StartMulti-start threadsMulti start threads are used where quick axial travel is desired with less rotation. These are also used for threads which cannot have coarse pitches due to metallurgical constraints. In comparison to single start threads, multi start threads can accept higher axial thrusts for restricted angles of rotation, the efficiency is high, the tendency to locking is reduced. Multi start threads are commonly used in power transmitting screws, valve spindles.

Approx. Rs 670 / PieceGet Latest Price

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Features:

• Used for setting of measuring instruments like horizontal comparators, length measuring machines for OD checking.
• Made from oil hardened non shrinking gauge steel, hardened and tempered to 60-62 HRC
• Sub-zero treated at -80 °C for long term dimensional stability
• Actual dimensions duly etched
• Calibrated at 20 °C under standards room conditions against national/international traceable standards
• Certificate of calibration is provided along with each master traceable to national/international standards
• Certificate under NABL (as per ISO 17025) as per request
• Manufactured as per ASME B47.1 (blank design) & ASME B89.1.5 (for form tolerance class X , size tolerance class Y & surface finish class XXX)