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electronIc bore GAGes
New!
770bxt electronIc bore GAGes feAtures
WItH Ip67 protectIon (WItH output) • Wide measurement range without

.080-12"/2-300MM changing anvils
• Resolution to .00005" (0.001mm)
770BXT Electronic Internal Micrometers provide IP67 level of protection
against coolant, water, dirt and dust in hostile shop environments. In • Large high-contrast LCD digital readout is easy to read and
addition, they offer extended travel, reducing the need to exchange anvils. reduces error
• RS232, USB, wireless output
• Carbide measuring faces on sizes above 1/2" (12.5mm) diameter
• Extensions available for deep holes
• Includes instant inch/millimeter conversion and preset + and - functions
• Precision ratchet stop provides correct contact pressure for Bore GaGes
accurate readings
770BXTZ-138
• Each micrometer bore gage with head comes with a wooden
case, complete with setting ring, contacts, adjusting wrench,
spare battery, and instructions
780XT Electronic Internal Micrometers, 2-Point Contact (.080-.250" (2-6mm) Range)
Range Accuracy Approx. Meas. Depth Ring Diameter
Cat. No. EDP in mm in mm in mm in mm
770BXTZ-100 72539 .080-.100 2-2.5 .00015 .004 3/8 9 .100" 2.54
770BXTZ-120 72540 .100-.120 2.5-3
770BXTZ-160 72541 .120-.160 3-4 .00015 .004 15/32 12 .160" 4.06
770BXTZ-200 72542 .160-.200 4-5 .00015 .004 3/4 18 .160" 4.06
770BXTZ-250 72543 .200-.250 5-6 .00015 .004 3/4 18 .200" 5.08
780XT Electronic Internal Micrometers, 3-Point Contact (1/4-12" (6-300mm) Range), Fixed Anvils
Range Accuracy Approx. Meas. Depth Ring Diameter
Cat. No. EDP in mm in mm in mm in mm
770BXTZ-312 72544 1/4 – 5/16 6-8 .00015 .004 2-1/4 58 .3125 7.94
770BXTZ-375 72545 5/16 – 3/8 8-10
770BXTZ-500 72546 3/8 – 1/2 10-12.5 .00015 .004 2-1/4 58 .500 12.7
770BXTZ-625 72547 1/2 – 5/8 12.5-16 .00015 .004 2-3/8 62 .500 12.7
770BXTZ-750 72548 5/8 – 3/4 16-20 .00015 .004 2-5/8 66 .750 19.05
770BXTZ-1 72549 3/4 – 1 20-25
770BXTZ-138 72562 1 – 1-3/8 25-35 .00015 .004 3-1/16 80 1.375 34.93
770BXTZ-2 72563 1-3/8 – 2 35-50
770BXTZ-258 72564 2 – 2-5/8 50-65 .00020 .005 3-1/16 80 2.625 65.68
770BXTZ-314 72566 2-5/8–3-1/4 65-80
770BXTZ-4 72567 3-1/4 – 4 80-100 .00020 .005 4 100 3.250 82.55
770BXTZ-5 72568 4 – 5 100-125 .00025 .006 4-1/2 115 5.0 127.00
770BXTZ-6 72569 5 – 6 125-150
770BXTZ-7 72570 6 – 7 150-175 .00030 .007 4-1/2 115 7.0 177.80
770BXTZ-8 72571 7 – 8 175-200
770BXTZ-9 72572 8 – 9 200-225 .00030 .007 4-5/8 118 9.0 228.60
770BXTZ-10 72573 9 – 10 225-250
770BXTZ-11 72574 10 – 11 250-275 .00035 .009 4-5/8 118 11.0 279.40
770BXTZ-12 72575 11 – 12 275-300
See next page for sets.

Accessories for 770BXT Electronic Internal Micrometers IP Protection
Required for Initial Bluetooth Connection An IP number is composed of two
®
Part No. EDP Description 1 Device > 1 Devices
PT61055 72941 770B Output Cable to USB numbers, the first referring to
PT61057 72942 770B Output Cable to USB with Footswitch protection against solid objects and
Free VMUX Software - 1 channel; visit x the second against liquids.
starrett.com
Bluetooth 4.0 dongle to PC Vmux Lite First number 6: Totally protected against dust
®
PT02497 73447 x x
(1channel); VMUX standard (8 channels) Second number 7: Protection against submersion
PT60996 72945 VMUX Standard Software (up to 32 tools) x in water under standardized conditions of pressure
PT99492 65650 Two 3-Volt Batteries, CR2032
See next page for sets. for 30 minutes

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