XTA Holemike # 52-255-423

52-255-423 Fowler-Bowers Mechanical Holemike: 150-175mm

The Fowler/Bowers XT Holemike set 52-255-423 is a 3-point contact bore gage.

This set contains the following:

• 54-342-024 Fowler/Bowers XT Head: 150-175mm
• One Analog Holemike Readout
• 54-332-015 Fowler/Bowers XT Setting Ring: 7"/175mm

The Fowler 52-255-423 XTA holemike bore gage is also available in two electronic versions:

• 54-566-850 Fowler/Bowers XTH Pistol Grip Set: 6.00-7.00”/150-175mm
• 54-366-034 Fowler/Bowers XTD Electronic Holemike Set: 6.00-7.00”/150-175mm

The Fowler/Bowers XTA holemike sets of mechanical two and three point bore micrometers are now available with extended travel. The extended travel or "XT" is available on all heads between .080-12"/2-300mm. Operators are now able to measure larger ranges with a single bore micrometer without having to interchange the anvils and re-calibrate the gage. The Fowler/Bowers XTA series of internal micrometers are one of the most popular brands of bore micrometers and is known for great quality.

Features:

• Graduations 0.00025" (0.005mm)
• 2-pt contact measuring anvils below .250"/6mm
• Tungsten carbide measuring anvils on all 3-point XT heads above .5" (12.5mm)
• Blind bore measuring above .500"/12.5mm
• Ratchet stop for consistent measuring to ensure better repeatabililty among operators
• Non-removeable anvils
• Optional extensions are available for deeper bore measurements
• Setting rings included in all sets
• Includes UKAS certificates for all Holemikes and setting rings
• Every gage is individually serialized

Below is a list of the individual XTA Mechanical Holemike Bore Gages that measure in inches:

Individual Sets:

• 52-255-405 has a range of 2.0-2.5mm
• 52-255-406 has a range of 2.5-3.0mm
• 52-255-407 has a range of 3-4mm
• 52-255-408 has a range of 4-5mm
• 52-255-409 has a range of 5-6mm
• 52-255-410 has a range of 6-8mm
• 52-255-411 has a range of 8-10mm
• 52-255-412 has a range of 10-12.5mm
• 52-255-413 has a range of 12.5-16mm
• 52-255-414 has a range of 16-20mm
• 52-255-415 has a range of 20-25mm
• 52-255-416 has a range of 25-35mm
• 52-255-417 has a range of 35-50mm
• 52-255-418 has a range of 50-65mm
• 52-255-419 has a range of 65-80mm
• 52-255-420 has a range of 80-100mm
• 52-255-421 has a range of 100-125mm
• 52-255-422 has a range of 125-150mm
• 52-255-423 has a range of 150-175mm
• 52-255-424 has a range of 175-200mm
• 52-255-425 has a range of 200-225mm
• 52-255-426 has a range of 225-250mm
• 52-255-427 has a range of 250-275mm
• 52-255-428 has a range of 275-300mm

Large Capacity Sets:

• 52-255-368 has a range of 2-3mm
• 52-255-468 has a range of 3-6mm
• 52-255-568 has a range of 6-10mm
• 52-255-668 has a range of 10-20mm
• 52-255-768 has a range of 20-50mm
• 52-255-868 has a range of 50-100mm
• 52-255-898 has a range of 100-150mm
• 52-255-968 has a range of 150-200mm