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Titanium Gr 2 Washers are commercially pure titanium fastening components designed to distribute load, prevent surface damage, and improve joint reliability in high-performance assemblies. Manufactured from ASTM B348 Grade 2 titanium, these washers deliver an exceptional balance of corrosion resistance, strength-to-weight ratio, and formability, making them ideal for marine environments, chemical processing systems, aerospace assemblies, and high-end industrial equipment.
Unlike conventional stainless steel washers, Titanium Grade 2 offers superior resistance to chloride-induced corrosion and maintains structural stability in aggressive chemical exposure. These washers comply with international standards such as DIN 125, ISO 7089, and ASTM specifications depending on application requirements.
KK Fasteners supplies Titanium Gr 2 Washers to global OEMs and engineering contractors with full material traceability, ensuring consistency in mechanical performance across critical load-bearing applications.
| Parameter | Specification |
|---|---|
| Material | Commercially Pure Titanium (Grade 2) |
| Standards | ASTM B348, DIN 125, ISO 7089, ASME B18.22.1 |
| Size Range | M3 to M64 / Custom Inch Sizes (UNC, UNF) |
| Thickness | 0.5 mm to 10 mm (application dependent) |
| Outer Diameter | 6 mm to 120 mm |
| Surface Finish | Polished, Pickled, Passivated |
| Hardness | Rockwell B 70–90 |
| Tensile Strength | ≥ 345 MPa |
| Grade | Ti | C | Fe | H | N | O | Al | V |
| Ti Grade 2 | 99.2 min | 0.1 max | 0.3 max | 0.015 max | 0.03 max | 0.25 max | – | – |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Titanium Gr. 2 | 4.5 g/cm3 | 1665 °C (3030 °F) | Psi – 49900 , MPa – 344 | Psi – 39900 , MPa – 275 | 20 % |
| STANDARD | WERKSTOFF NR. | UNS |
| Titanium Grade 2 | 3.7035 | R50400 |
Bolt Size
|
USS
|
SAE
|
||||
OD (in.)
|
ID (in.)
|
Thickness
|
OD (in.)
|
ID (in.)
|
Thickness
|
|
1/8 (#6)
|
-
|
-
|
-
|
0.375
|
0.156
|
.036/.065
|
5/32 (#8)
|
-
|
-
|
-
|
0.438
|
0.188
|
.036/.065
|
3/16 (#10)
|
0.560
|
0.250
|
.036/.065
|
0.500
|
0.220
|
.036/.065
|
7/32 (#12)
|
-
|
-
|
-
|
0.562
|
0.250
|
.051/.080
|
1/4 (#14)
|
0.734
|
0.312
|
.051/.080
|
0.625
|
0.281
|
.051/.080
|
5/16
|
0.875
|
0.375
|
.064/.104
|
0.688
|
0.344
|
.051/.080
|
3/8
|
1.000
|
0.438
|
.064/.104
|
0.812
|
0.406
|
.051/.080
|
7/16
|
1.250
|
0.500
|
.064/.104
|
0.922
|
0.469
|
.051/.080
|
1/2
|
1.375
|
0.562
|
.086/.132
|
1.062
|
0.531
|
.074/.121
|
9/16
|
1.469
|
0.625
|
.086/.132
|
1.156
|
0.594
|
.074/.121
|
5/8
|
1.750
|
0.688
|
.108/.160
|
1.312
|
0.656
|
.074/.121
|
3/4
|
2.000
|
0.812
|
.122/.177
|
1.469
|
0.812
|
.108/.160
|
7/8
|
2.250
|
0.938
|
.136/.192
|
1.750
|
0.938
|
.108/.160
|
1
|
2.500
|
1.062
|
.136/.192
|
2.000
|
1.062
|
.108/.160
|
1 1/8
|
2.750
|
1.250
|
.136/.192
|
2.250
|
1.250
|
.108/.160
|
1 1/4
|
3.000
|
1.375
|
.136/.192
|
2.500
|
1.375
|
.136/.192
|
1 3/8
|
3.250
|
1.500
|
.153/.213
|
2.750
|
1.500
|
.136/.213
|
1 1/2
|
3.500
|
1.625
|
.153/.213
|
3.000
|
1.625
|
.153/.213
|
1 5/8
|
3.750
|
1.750
|
.153/.213
|
-
|
-
|
-
|
1 3/4
|
4.000
|
1.875
|
.153/.213
|
-
|
-
|
-
|
1 7/8
|
4.250
|
2.000
|
.153/.213
|
-
|
-
|
-
|
2
|
4.500
|
2.125
|
.153/.213
|
-
|
-
|
-
|
2 1/4
|
4.750
|
2.375
|
.320/.248
|
-
|
-
|
-
|
2 1/2
|
5.000
|
2.625
|
.210/.280
|
-
|
-
|
-
|
2 3/4
|
5.250
|
2.875
|
.228/.410S
|
-
|
-
|
-
|
3
|
5.500
|
3.125
|
.249/.327
|
-
|
-
|
-
|
Size |
USS |
SAE |
||||
|---|---|---|---|---|---|---|
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
Inside Diameter (A) |
Outside Diameter (B) |
Thickness (C) |
|
#2 |
- |
- |
- |
3/32" |
1/4" |
0.020" |
#4 |
- |
- |
- |
1/8" |
5/16" |
0.032" |
#6 |
- |
- |
- |
5/32" |
3/8" |
0.049" |
#8 |
- |
- |
- |
3/16" |
7/16" |
0.049" |
#10 |
- |
- |
- |
7/32" |
1/2" |
0.049" |
#12 |
- |
- |
- |
1/4" |
9/16" |
0.065" |
1/4" |
5/16" |
0.734" |
0.065" |
9/32" |
5/8" |
0.065" |
5/16" |
3/8" |
7/8" |
0.083" |
11/32" |
11/16" |
0.065" |
3/8" |
7/16" |
1" |
0.083" |
13/32" |
13/16" |
0.065" |
7/16" |
1/2" |
1-1/4" |
0.083" |
15/32" |
15/16" |
0.065" |
1/2" |
9/16" |
1-3/8" |
0.109" |
17/32" |
1-1/16" |
0.095" |
9/16" |
5/8" |
1-15/32" |
0.109" |
19/32" |
1-5/32" |
0.095" |
5/8" |
11/16" |
1-3/4" |
0.134" |
21/32" |
1-5/16" |
0.095" |
3/4" |
13/16" |
2" |
0.148" |
13/16" |
1-15/32" |
0.134" |
7/8" |
15/16" |
2-1/4" |
0.165" |
15/16" |
1-3/4" |
0.134" |
1" |
1-1/16" |
2-1/2" |
0.165" |
1-1/16" |
2" |
0.134" |
1-1/8" |
1-1/4" |
2-3/4" |
0.165" |
- |
- |
- |
1-1/4" |
1-3/8" |
3" |
0.165" |
- |
- |
- |
1-3/8" |
1-1/2" |
3-1/4" |
0.180" |
- |
- |
- |
1-1/2" |
1-5/8" |
3-1/2" |
0.180" |
- |
- |
- |
1-5/8" |
1-3/4" |
3-3/4" |
0.180" |
- |
- |
- |
1-3/4" |
1-7/8" |
4" |
0.180" |
- |
- |
- |
2" |
2-1/8" |
4-1/2" |
0.213" |
- |
- |
- |
Titanium Gr 2 Washers are used wherever corrosion resistance, weight reduction, and long-term reliability are critical. They are widely adopted in engineered systems exposed to aggressive environments or strict performance requirements.
Titanium Gr 2 Washers are manufactured through precision stamping and CNC-controlled machining using certified Grade 2 titanium sheets and billets. The process includes controlled cold forming to maintain grain structure integrity and ensure uniform mechanical performance.
Each batch undergoes dimensional inspection, hardness testing, and surface integrity verification. Advanced non-destructive testing ensures no micro-cracks or inclusions are present. Traceability is maintained through heat number tracking and batch certification.
KK Fasteners implements ISO 9001:2015-aligned quality systems, along with RoHS and REACH compliance checks for international regulatory adherence. Every washer is inspected before dispatch to ensure consistency across global shipments.
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Titanium Gr 2 Washers are flat, circular fastening components made from commercially pure Grade 2 titanium. They are used to distribute load under bolts or nuts, reduce surface damage, and improve joint stability. These washers are widely used in marine, aerospace, and chemical industries due to their excellent corrosion resistance and lightweight properties.
They are manufactured from commercially pure titanium Grade 2 as per ASTM B348 standards. This grade offers a balanced combination of corrosion resistance, moderate strength, and high ductility, making it suitable for precision-formed washer applications in aggressive environments such as seawater and chemical processing systems.
These washers are commonly produced in compliance with international standards such as DIN 125, ISO 7089, ASME B18.22.1, and ASTM specifications. These standards ensure consistent dimensional accuracy, mechanical strength, and compatibility with global fastening systems used in engineering and industrial assemblies.
They are used in marine engineering, aerospace structures, chemical plants, power generation systems, desalination units, and high-performance automotive assemblies. Their primary function is to prevent corrosion-related failure while maintaining reliable load distribution in bolted joints exposed to harsh operating conditions.
A reliable supplier should offer ISO-certified production, material traceability, adherence to ASTM/DIN standards, and in-house testing facilities. Experience in global exports and consistent quality documentation is also important. KK Fasteners supplies Titanium Gr 2 Washers with full inspection reports and export-grade compliance for international buyers.
Titanium Gr 2 Washers deliver long-term performance in demanding industrial environments where corrosion resistance and weight efficiency are critical. With strict dimensional control and certified material sourcing, they ensure reliable fastening across engineered systems.
KK Fasteners supports global procurement teams with engineered fastening solutions backed by full traceability and export-ready documentation. For technical specifications, custom requirements, or bulk quotations, contact the engineering team at KK Fasteners to initiate your supply order.
