do these come with a certificate of Inspection?

They come with a photocopied card stating standard expected size deviations, not what I believe to be actual inspection values. The price point of these pins, one cannot expect an individual inspection report on each pin. The pins have measured accurate as I can measure them and have been at stated sizes. For my home machine shop use they exceed expectations. I am working within .0005 tolerances and they are doing what I need them to do. Nicely packaged and really corrosion proofed for transit. Each pin wrapped in oil paper to protect. Fit and finish is quite awesome for the price. Very happy with my set. Looking to get next size group of pins (.251-.500) from Accusize. I hope this helps.

If i want to buy only 1 set , should i buy plus or minus pin gage set ? which set experience machinists prefer ? why ? thank you so much

According to CCROSS: "A pin gauge set will typically consist of either plus or minus pin gauges, and based on procedure or tolerances may require both versions to determine a go no go outcome. A minus pin gauge set includes pins with a specified tolerance below the target size, allowing the pin to fit within the target dimension. Likewise, a plus pin gauge set includes pins with a specified tolerance above the target dimension, creating a no-go situation for a bore at the target dimension." So, choose the minus or the plus based on your work.

What is the size of the box these pins are in?

Box size 4" x 5", each pin has a cap to hold onto each pin.

Are all new sets coming in the new improved case?

As of writing, we are still in the process of upgrading the cases. So some of them might come with old cases.

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Accusize Industrial Tools 0.251''-0.500'', 250 Pc/Set Steel Plug Pin Gage Set, Minus, Class Zz, M2(-)

Accusize Industrial Tools 0.251''-0.500'', 250 Pc/Set Steel Plug Pin Gage Set, Minus, Class Zz, M2(-)

Product ID: 84283780

Details

Brand
Accusize Tools
Item Diameter
0.25 Inches
Material
Alloy Steel
Pin type
Plug
Size
0.251"-0.500"

📏250 precision pieces

🔥Heat treated 60-62 HRC

⚙️Class ZZ tolerance ±0.0002"

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€ 469.07

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Details

Brand
Accusize Tools
Item Diameter
0.25 Inches
Material
Alloy Steel

Description

📐 Elevate your precision game with the ultimate plug pin set—because details matter!

PRECISION PERFECTED - 250-piece set covering 0.251" to 0.500" for unmatched measurement versatility.
DURABILITY MEETS DESIGN - Heat-treated to 60-62 HRC with polished finish for long-lasting, smooth operation.
TOLERANCE YOU CAN TRUST - Class ZZ accuracy with ultra-tight -0.0002" tolerance ensures flawless fits every time.
EFFORTLESS IDENTIFICATION - Electro-etched sizes on each gauge speed up workflow and eliminate guesswork.
CONSISTENT LENGTH CONSISTENT RESULTS - Standard 2" length and centerless lapped for reliable, repeatable measurements.

The Accusize Industrial Tools 250-piece Steel Plug Pin Gage Set offers a broad size range from 0.251" to 0.500" with Class ZZ tolerance (-0.0002"), heat-treated hardness of 60-62 HRC, and polished finish. Each gauge is 2" long, centerless lapped, and electro-etched for quick size identification, making it an essential precision tool for professionals demanding accuracy and durability.

Specifications

ASIN	B00YQ3QVXM
Best Sellers Rank	#16,702 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Pin Gauges
Brand	Accusize Industrial Tools
Color	red
Customer Reviews	4.6 out of 5 stars 392 Reviews
Fastener Type	Plug
Finish Types	Polished
Item Diameter	0.25 Inches
Item Dimensions	3.15 x 16.93 x 12.2 inches
Item Weight	9 Kilograms
Manufacturer	Accusize Co., Ltd.
Material	Alloy Steel
Material Type	Alloy Steel
Model	M2(-)
Number of Pieces	250
Part Number	M2(-)
Pin Type	Plug
Pin type	Plug
Screw Head Style	Plug
Size	0.251"-0.500", w/o Aluminum Case
Size Name	0.251"-0.500", w/o Aluminum Case
Thread Size	0.251''-0.500''
UPC	641799808714

Reviews

M**1

10.04.2026

J**.

22.02.2022

J**.

23.10.2025

B**Y

24.07.2025

S**K

31.08.2025

D**.

30.04.2025

J**.

22.09.2025

C**G

18.11.2025

A**N

20.07.2022

P**E

24.01.2026

T**S

18.01.2026

G**R

21.12.2025

M**M

30.11.2023

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€ 469.07

Duties & taxes included

In stock

Sold byAmazon ItalyDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Italy.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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