Machined Quartz Specifications

SYMBOL CHARACTERISTICS
SYMBOL	CHARACTERISTIC	STANDARD TOLERANCE
	Flatness	.005″
	Straightness	.005″
	Circularity (Roundness)	.010″
	Cylindricity	.010″
	Perpendicularity (Squareness)	1°
	Angularity	1°
	Parallelism	.005″
	Profile of a Surface	.030″
	Profile of a Line	.020″
	Circular Runout	.010″
	Total Runout	.010″
	Position	.020″
	Concentricity	.010″
	Symmetry	.010″
NOTE: These tolerances apply to machined ground only and mechanically polished parts only.

Tolerances
TOLERANCE BLOCK:	INCHES	MILLIMETERS (mm)
x.	= ±.040	= ±1 mm
.x	= ±.030	= ±.75 mm
.xx	= ±.010	= ±.25 mm
.xxx	= ±.005	= ±.13 mm
ANGLE	= ± 1°	= ± 1°
On inside sharp corners, R.125 preferred. EXAMPLE: Rectangular holes and corner contours.

STANDARD SURFACE FINISHES (MICRO INCH) SURFACE QUALITY–MIL SPEC.–PRF-13830B 80/50
	N6	32√D	32 Ra (μ in)	Diamond finish
	N5	16√D	16 Ra (μ in)	Diamond finish
	N4	9√G	9 Ra (μ in)	Ground finish
	N2	2√MP	2 Ra (μ in)	Ground & Polish finish
	N2	2√FP	2 Ra (μ in)	Flame Polish finish

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