Depth Gages

Zero Barrel - Type Flush Pin Gages

General Dimensions
ZERO MODEL NOs.	P PIN DIA.	D BARREL DIA.	L BARREL LENGHT
B-250	.2500	1.000	1.000
B-312	.3125	1.000	1.000
B-375	.3750	1.000	1.250
B-437	.4375	1.062	1.375
B-500	.5000	1.125	1.500
B-562	.5625	1.187	1.625
B-625	.6250	1.250	1.750
B-687	.6875	1.312	1.875
B-750	.7500	1.375	2.000

Gage Body Ground Flat and Square, Both top and Bottom, and Square to Pin Hole.

Material - Gage Body and Pin Tool Steel. Heat treat Body and Pin Rockwell "C" 62-64.

Applications

CHECK PART COUNTERBORE DEPTH

Min. Depth .470

Max. Depth .490

Min. C’Bore Dia. .540 Dia.

Select
Tolerance Step – On Body

Tolerance Step – On Step

Select Blank – Zero B-562

Set to Min. Depth

CHECK PART COUNTERSINK DIA.

Min. Part C’Sink Dia. .720

Max. Part C’Sink Dia. .740

Mean included angle 60°

Select
Zero Blank B-750

Tolerance Step – On Body

Tolerance Step – On Step

Roll Sizes = .125 Dia.

Pin Depth = .12

DETERMINE ROLL DIMENSION

.720 Min. C’Sink Dia.

+.1971 Constant Roll Chart

9171 Roll Dim.

TOLERANCE STEP

.740 - .720 = .020 * .86603 Constant from Roll Chart

.0173 Step

CHECK DEPTH OF DRILLED HOLE

Min. Part Depth = .400

Max. Part Depth = .420

Mean Hole Dia. = .50

Mean Included Angle = 118°

Zero Blank B-500

Tolerance Step On Body

Tolerance Step On Step

Roll Sizes = .09375

Determine

Gage Set Dim.

.4200 Max Depth

.0937 Roll Size

.5137 Set

Roll Dim. .500 Mean Hole Size

.1197 Constant From Roll Chart

.6197

Tolerence Step .020 - .0005 = .0195

Need an AutoCAD template? Click here for our templates section.

Specify on Drawing
ZERO GAGE
41260 JOY RD. PLYMOUTH, MI 48170
TELE:(734)455-3080 FAX (734) 455-3082

ZERO GAGE COMPANY
"SERVING ALL YOUR GAGING NEEDS"
41260 Joy Rd.

Plymouth, Michigan 48170

Phone: 313.455.3080

Fax: 313.455.3082