Putty/Hand Scraper Knife

Ex408 Series

  • Ex408 Non-Sparking, Non-Magnetic Putty-Hand Scraper Knife
  • Ex408 Non-Sparking, Non-Magnetic Putty-Hand Scraper Knife Dimensional Drawing
  • Ex408 Non-Sparking, Non-Magnetic Putty-Hand Scraper Knife
  • Ex408 Non-Sparking, Non-Magnetic Putty-Hand Scraper Knife Dimensional Drawing
  • Non-Sparking
  • Non-Magnetic
  • Corrosion Resistant
  • Non-Marring*
  • TUV & ISO 9001:2015 Production Certified
  • Lifetime Warranty

Applications:

  • Non-sparking putty/hand scraper knife for use in petrochemical, grain production (explosive-dust), utilities, and hazmat applications.
  • Non-magnetic putty/hand scraper knife for use in MRI/NMR, nuclear products, electronic manufacturing, and other sensitive equipment.
  • Corrosion Resistant putty/hand scraper knife for use in desalination plants, chemical/paper manufacturing, and shipyards.
  • Non-marring* putty/hand scraper knife for mechanical applications.

  • Standard Sizes
  • ALLOYS & USE
When ordering, specify:
 A = Aluminum BronzeB = Copper Beryllium
Example:Ex408-25AEx408-25B
No.
a
inch
l
inch
Wt.
lbs.
a
mm
l
mm
Wt.
kg
Ex408-25140.11251000.05
Ex408-301-3/1640.12301000.05
Ex408-401-9/1640.14401000.07
Ex408-50240.17501000.08
Ex408-602-3/840.19601000.09
Ex408-75340.22751000.10
Ex408-803-3/1640.24801000.11
Ex408-100440.281001000.13
How to Choose the Correct Alloy for Your Application
 Aluminum-Bronze (AlBr) AlloyCopper-Beryllium (CuBe2) Alloy
Zone CompatibilityFulfill demand in ATEX Directive 94/9/EC for work in Zones 1, 2, 21 and 22Fulfill demand in ATEX Directive 94/9/EC for work in Zones 0, 1, 2, 20, 21 and 22
Hardness27 HRC38 HRC
DurabilityNot as durable as CuBe.Very durable due to high hardness and tensile strength.
Magnetic PropertiesLow magnetism due to minimal ferrous components. Appropriate for non-critical non-magnetic applications.Non-ferrous components; safer for applications demanding non-magnetic properties.
CompositionAl: 10.3%
Fe: 4.5%
Ni: 4.5%
Other: 0.5%
Cu: Balance
Be: 1.9%
Co + Ni: 0.4%
Other: 0.5%
Cu: Balance
* non-marring properties when used on metals harder than tool alloy composition. For Rockwell hardness values see alloy information in the alloy information tab above.
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