-17%

30 Piece Specimen Comparator&Roughness Comparator (30 pcs/set) of roughness tester

Regular price $266.50 USD
Sale price $319.80 USD
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Estimate delivery times: 12-22 days (International), 10-18 days (United States).

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44871188152570
30 Piece Specimen Comparator&Roughness Comparator (30 pcs/set) of roughness tester
Regular price $266.50 USD
Sale price $319.80 USD

SPECIFICATIONS

Brand Name: TMTECK

Origin: Mainland China

Model Number: TA1620

is_customized: None

Certification: CE

Graphic: Bearing area curve, Roughness profile, Primary profile

Filter: RC,PC-RC,Gauss,D-P

The sampling length(lr): 0.25, 0.8, 2.5mm

Accuracy: Less than ±10%

Repeatability: Less than 6%

Roughness Comparator  (30 pcs/set)
This set contains standards of the six most important machining methods in the prevalent "AA" values. These surface roughness is used to compare and determine the degree of the surface finish by comparision method and eye estimation or magnifying glass.The surface rough contast blocks is made of 45 super carbor steel except the GCr15 which is using to plat lapping the sample block. All 30 speciments are calibrated in u''AA (Arithmetical Average) and in the metric equivalents um Ra.


For all orders exceeding a value of $150USD shipping is offered for free.

Returns will be accepted for up to 10 days of Customer’s receipt or tracking number on unworn items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:

– Received the wrong item.
– Item arrived not as expected (ie. damaged packaging).
– Item had defects.
– Over delivery time.
– The shipper does not allow the goods to be inspected before payment.

The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.

Duties & taxes are non-refundable.

See full Refund Policy here.

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