PRECISION
PRECISION 77120 Feeler Gauge 0.001in 12pk
A set of twelve stainless-steel feeler gauges each 0.001 in thick for precise gap measurement
- TypeTraffic & Parking Lot
- Stainless-steel blades resist corrosion for long service life
- Precision 0.001 in thickness enables exact gap measurement
- Twelve blades per pack supply multiple size options
- ASTM A-666 chemistry standard confirms material consistency
- Long 12 in blade length reaches confined spaces easily
Precision 77120 Feeler Gauge Set
The Precision 77120 feeler gauge set contains twelve stainless-steel blades, each measuring 0.001 inch thick. It is intended for mechanics and engineers who need to measure very small clearances during assembly or maintenance work. The long 12-inch blade length allows access to deep or recessed gaps.
Measurement Limits and Standards
Each blade carries a tolerance of plus or minus ten percent on the stated thickness. The set conforms to ASTM A-666 chemistry requirements for stainless steel. California Proposition 65 warnings apply because the product contains a chemical known to cause reproductive harm. The blades are non-magnetic and marked in inch graduations only.
Installation and Common Issues
Blades are removed from the holder and inserted into the gap until a slight drag is felt. A frequent error is forcing a blade, which bends the thin 0.001-inch material and ruins its accuracy. Another common mistake is stacking multiple blades without verifying the combined thickness, which compounds the individual tolerances. Always store the set dry to prevent surface corrosion on the unfinished steel.
Highlights
- Stainless-steel blades resist corrosion for long service life
- Precision 0.001 in thickness enables exact gap measurement
- Twelve blades per pack supply multiple size options
- ASTM A-666 chemistry standard confirms material consistency
- Long 12 in blade length reaches confined spaces easily
Specifications
| Brand | PRECISION BRAND |
|---|---|
| Type | Traffic & Parking Lot |
Questions about this item
Should I buy the 12-piece pack or a different quantity?
The product is supplied as a 12-piece pack with each blade measuring 0.0010 in thick.
How does the 0.001 in thickness perform when checking real gaps?
Each blade is 0.0010 in thick with a tolerance of +/-10 percent, made from stainless steel to ASTM A-666 chemistry.
Does the ASTM A-666 standard limit what I can measure?
ASTM A-666 covers the stainless steel chemistry; the blades are 12 in long, 1/2 in wide, and marked in inch graduations.
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