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Starrett Tool Index

Slide Calipers

Master Vernier Calipers

Starrett Master Vernier Calipers

Master Vernier Calipers by Starrett No. 123 Series (0-72") No. 123M Series (0-600mm) No. 123EM Series (0-24" / 0-600mm)

This Starrett vernier caliper is the ultimate example of slide caliper design. It is more accurate, has the easiest reading vernier style, is stronger and is offered in much longer lengths than other slide calipers.
Readability Features Long 50-division vernier scales, made popular by Starrett. This feature permits just half as many bar graduations as conventional single-vernier tools. These widely-spaced graduations make possible easy reading to .001" or 0.02mm without requiring a magnifying glass Flush fitting of the vernier scales to the main scale means that these are in the same plane, which eliminates parallax. Vernier scales are adjustable The open-face design of the slide allows both the inside and outside vernier scale on the same side, thus allowing both verniers to be read without turning the tool over Black lines and figures against the Starrett satin chrome finish make reading a pleasure, not an effort Screw-type adjusting nut allows for fine measuring adjustments Lock nut to hold measurements	Long-Life and Accuracy Features These tools are made of the finest tool steel. This makes the jaws harder and longer-wearing than stainless tools. All tools through 24" (600mm) also have hardened and stabilized bars Measuring surfaces are hardened, ground and lapped to close limits All graduations are machine divided for accuracy, not photo-engraved. They are also deeper and sharper The combination straight and angular ways on the master bar allow for positive alignment of graduations and easy adjustment of the flush-fitting verniers Sizes through 24" have divider points on the back side to accurately set dividers and trammels as needed Tools with inch and millimeter graduations on the same bar have outside readings only. (Inside readings must be compensated for by adding the nib width to the indicated reading.) The longer length of the adjusting jaw slide provides a longer bearing surface on the master bar, ensuring squareness with the solid jaw and extra resistance to springing Tight, smoothly fitted slides for maximum accuracy and easy adjustment Made to rigid Starrett standards

Inch Reading / Graduation - .001"

Description	Range	Bar Width	Approx. Jaw Depth	Max. Nib Width Closed	Catalog No.	Price
Caliper without Case	0-6"	11/16"	1-9/16"	.250"	123-6	$478.75
Caliper, SLC, without Case	0-6"	11/16"	1-9/16"	.250"	123-6 W/SLC	$515.25
Caliper in Finished Wood Case	0-6"	11/16"	1-9/16"	.250"	123Z-6	$518.00
Caliper, SLC, in Finished Wood Case	0-6"	11/16"	1-9/16"	.250"	123Z-6 W/SLC	$554.50
Caliper without Case	0-12"	15/16"	2-5/16"	.300"	123-12	$564.75
Caliper, SLC, without Case	0-12"	15/16"	2-5/16"	.300"	123-12 W/SLC	$601.25
Caliper in Finished Wood Case	0-12"	15/16"	2-5/16"	.300"	123Z-12	$610.50
Caliper, SLC, in Finished Wood Case	0-12"	15/16"	2-5/16"	.300"	123Z-12 W/SLC	$647.00
Caliper in Finished Wood Case	0-24"	15/16"	2-5/16"	.300"	123Z-24	$815.50
Caliper in Finished Wood Case	0-36"	1-3/8"	3"	.500"	123Z-36	$1809.00
Caliper in Finished Wood Case	0-48"	1-3/8"	3"	.500"	123Z-48	$2570.25
Lightweight Caliper in Finished Wood Case	0-60"	1-3/8"	3"	.500"	L123Z-60	$4213.75
Lightweight Caliper in Finished Wood Case	0-72"	1-3/8"	3"	.500"	L123Z-72	$4791.00
Caliper in Finished Wood Case	0-60"	2-1/2"	4-1/2"	.750	123Z-60	$8353.25
Caliper in Finished Wood Case	0-72"	2-1/2"	4-1/2"	.750	123Z-72	$9541.75

Millimeter Reading / Graduation - 0.02mm

Description	Range	Bar Width	Approx. Jaw Depth	Max. Nib Width Closed	Catalog No.	Price
Caliper Without Case	0-150mm	17.46mm	40mm	6.4mm	123M-150	$512.50
Caliper Without Case	0-300mm	23.81mm	58mm	7.6mm	123M-300	$576.50
Caliper in Finished Wood Case	0-300mm	23.81mm	58mm	7.6mm	123MZ-300	$627.00
Caliper in Finished Wood Case	0-600mm	23.81mm	58mm	7.6mm	123MZ-600	$909.75

Inch and Millimeter Reading / Graduation - .001" and 0.02mm

Description	Range	Bar Width	Approx. Jaw Depth	Max. Nib Width Closed	Catalog No.	Price
Caliper Without Case	0-6" (150mm)	11/16" (17.46mm)	1-9/16" (40mm)	.250" (6.35mm)	123EM-6	$491.50
Caliper in Finished Wood Case	0-6" (150mm)	11/16" (17.46mm)	1-9/16" (40mm)	.250" (6.35mm)	123EMZ-6	$525.25
Caliper Without Case	0-12" (300mm)	15/16" (23.81mm)	2-5/16" (58mm)	.300" (7.62mm)	123EM-12	$656.25
Caliper in Finished Wood Case	0-12" (300mm)	15/16" (23.81mm)	2-5/16" (58mm)	.300" (7.62mm)	123EMZ-12	$689.00
Caliper in Finished Wood Case	0-24" (600mm)	15/16" (23.81mm)	2-5/16" (58mm)	.300" (7.62mm)	123EMZ-24	$1002.00

Starrett Center Distance Attachment

PT26151

A set of two jaws with body sizes of .400" and conical points, enabling the user to measure the center distance between holes or center-punched locations that are at least .400" apart and less than .400" in diameter.

Can be used with metric calipers by setting the caliper to 10.16mm

Will fit Starrett No. 120 Series, No. 721 Series and No. 123 Series Calipers

Starrett Center Distance Attachment PT26151

Catalog No.	Description	Price	.
PT26151	Center Distance Attachment (Fits Starrett Nos: 120, 721 & 123 Series Calipers)	$86.00
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Starrett Master Vernier Calipers

Master Vernier Calipers by Starrett

Starrett Center Distance Attachment