NAAMS Stop Blocks

NAAMS standards stop blocks are used to create a stop for workpieces to rest on. They are a vital part of the automation process no matter what the application. The NAAMS catalog has two series, an ASC series, and ASF series. Both series have metric tolerances of ±0.3 to the tenth place and ±0.03 to the hundredths place.

NAAMS Stop Block ASC018
The ASC series are crowned stop blocks with a 3mm taper on the top. They are 50mm in height, 25mm total in length and the width range offerings are 20mm, 25mm, 60mm, and 90mm. They are manufactured out of Steel SAE 1060, hardened to 55-60 hRC and finished with a black oxide coating.

NAAMS ASF001
The ASF series are flat stop blocks. They are offered in a 25mm, 76mm, and 90mm series. The 25mm series is 25mm in length, 50mm in height, and the width range offerings are 20mm, 25mm, 60mm, and 90mm. The 76mm series is a single block with dimensions of 76mm x 26mm x 57 with a 42mm center hole. The 90mm series has dimensions of 90mm x 26mm x 70mm with a 42mm center hole as well. NAAMS ASF stop blocks are made from SAE 1060 steel and flame hardened to 55-60 hRC 3.0mm deep.

With ISO 9001:2015 certification, you can be confident that you will receive high-quality NAAMS. Follow the categories to browse the NAAMS stop blocks or click on the link below for the full PDF catalog.
NAAMS Stop Blocks


NAAMS Crowned Stop Block ASC018

NAAMS Crowned Stop Block ASC018

SKU: FN-ASC018
MPN: ASC018

Sale price $9.99 List price $15.75
Save $5.76
NAAMS Crowned Stop Block ASC019

NAAMS Crowned Stop Block ASC019

SKU: FN-ASC019
MPN: ASC019

Sale price $9.99 List price $15.75
Save $5.76
NAAMS Crowned Stop Block ASC020

NAAMS Crowned Stop Block ASC020

SKU: FN-ASC020
MPN: ASC020

Sale price $8.87 List price $10.50
Save $1.63
NAAMS Crowned Stop Block ASC021

NAAMS Crowned Stop Block ASC021

SKU: FN-ASC021
MPN: ASC021

Sale price $8.87 List price $10.50
Save $1.63
NAAMS Crowned Stop Block ASC060

NAAMS Crowned Stop Block ASC060

SKU: FN-ASC060
MPN: ASC060

Sale price $12.35 List price $13.13
Save $0.78
NAAMS Crowned Stop Block ASC061

NAAMS Crowned Stop Block ASC061

SKU: FN-ASC061
MPN: ASC061

Sale price $12.35 List price $13.13
Save $0.78
NAAMS Crowned Stop Block ASC090

NAAMS Crowned Stop Block ASC090

SKU: FN-ASC090
MPN: ASC090

Regular price $20.20
NAAMS Crowned Stop Block ASC091

NAAMS Crowned Stop Block ASC091

SKU: FN-ASC091
MPN: ASC091

Regular price $20.20
NAAMS Stop Block ASF001

NAAMS Stop Block ASF001

SKU: FN-ASF001
MPN: ASF001

Regular price $22.44
NAAMS Stop Block ASF002

NAAMS Stop Block ASF002

SKU: FN-ASF002
MPN: ASF002

Regular price $22.44
NAAMS Stop Block ASF018

NAAMS Stop Block ASF018

SKU: FN-ASF018
MPN: ASF018

Sale price $9.99 List price $14.70
Save $4.71
NAAMS Stop Block ASF019

NAAMS Stop Block ASF019

SKU: FN-ASF019
MPN: ASF019

Sale price $9.99 List price $14.70
Save $4.71
NAAMS Stop Block ASF020

NAAMS Stop Block ASF020

SKU: FN-ASF020
MPN: ASF020

Sale price $8.87 List price $9.45
Save $0.58
NAAMS Stop Block ASF021

NAAMS Stop Block ASF021

SKU: FN-ASF021
MPN: ASF021

Sale price $8.87 List price $9.98
Save $1.11
NAAMS Stop Block ASF060

NAAMS Stop Block ASF060

SKU: FN-ASF060
MPN: ASF060

Sale price $12.35 List price $12.60
Save $0.25
NAAMS Stop Block ASF061

NAAMS Stop Block ASF061

SKU: FN-ASF061
MPN: ASF061

Sale price $12.35 List price $13.13
Save $0.78
NAAMS Stop Block ASF090

NAAMS Stop Block ASF090

SKU: FN-ASF090
MPN: ASF090

Regular price $18.52
NAAMS Stop Block ASF091

NAAMS Stop Block ASF091

SKU: FN-ASF091
MPN: ASF091

Regular price $19.08