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When selecting finishes, select the RoHS compliant finishes. They are better for the environment and less expensive!

PX-1600 Size 4mm Studs

Slotted Head Stud

Click here for the Engineering Drawing
1631-41 Revision G

Part Number Finish
1631-41G-Z3CT (Standard Finish)
Zinc Trivalent Clear .0003 thick. Trivalent Chromate Clear with Sealer (RoHS Compliant)
Specification(s): ASTM-B-633, Type III, SC 2, Clear
Suffix: -Z3CT
1631-41G-Z3YT
 
Discontinued when current inventory is consumed.
Zinc Trivalent Yellow .0003 thick, Trivalent Chromate Yellow Dye with Sealer

We recommend the Z3CT finish instead of the Z3YT finish. The Z3CT finish is much more cost effective and provides the same salt spray benefits as the Z3YT finish. (RoHS Compliant)
Specification(s): ASTM-B-633, Type II, SC 2, Yellow
Suffix: -Z3YT
1631-41G-Z3BTZinc Trivalent Black .0003 thick. Trivalent Chromate Black Dye with Sealer (RoHS Compliant)
Specification(s): ASTM-B-633, Type II, SC 2, Black
Suffix: -Z3BT
1631-41G-ZFBT
 
Discontinued when current inventory is consumed.
Zinc Flake Coating with Black Sealer
Delta Seal Black GZ Coating (RoHS Compliant)
Specification(s): Delta Protekt; KL100
Suffix: -ZFBT

Slotted Head
Stud Part Number
Grip Length
(G)
Undercut
(U)
mm inch mm inch
1631-418-Z3CT8.3153.12
1631-419-Z3CT9.3544.16
1631-4110-Z3CT10.3945.20
1631-4113-Z3CT13.5128.32
1631-4115-Z3CT15.59010.39
1631-4116-Z3CT16.63011.43
1631-4119-Z3CT19.74814.55
1631-4121-Z3CT21.82716.63

Ring Head Stud

Click here for the Engineering Drawing
1631-44M Revision C

Part Number Finish
1631-44G-Z3CT (Standard Finish)
Zinc Trivalent Clear .0003 thick. Trivalent Chromate Clear with Sealer (RoHS Compliant)
Specification(s): ASTM-B-633, Type III, SC 2, Clear
Suffix: -Z3CT
1631-44G-Z3YT
 
Discontinued when current inventory is consumed.
Zinc Trivalent Yellow .0003 thick, Trivalent Chromate Yellow Dye with Sealer

We recommend the Z3CT finish instead of the Z3YT finish. The Z3CT finish is much more cost effective and provides the same salt spray benefits as the Z3YT finish. (RoHS Compliant)
Specification(s): ASTM-B-633, Type II, SC 2, Yellow
Suffix: -Z3YT
1631-44G-Z3BTZinc Trivalent Black .0003 thick. Trivalent Chromate Black Dye with Sealer (RoHS Compliant)
Specification(s): ASTM-B-633, Type II, SC 2, Black
Suffix: -Z3BT
1631-44G-ZFBT
 
Discontinued when current inventory is consumed.
Zinc Flake Coating with Black Sealer
Delta Seal Black GZ Coating (RoHS Compliant)
Specification(s): Delta Protekt; KL100
Suffix: -ZFBT

Ring Head
Stud Part Number
Grip Length
(G)
Undercut
(U)
mm inch mm inch
1631-448-Z3CT8.3153.12
1631-449-Z3CT9.3544.16
1631-4410-Z3CT10.3945.20
1631-4413-Z3CT13.5128.32
1631-4415-Z3CT15.59010.39
1631-4416-Z3CT16.63011.43
1631-4419-Z3CT19.74814.55
1631-4421-Z3CT21.82716.63

Hex Recess Head Stud

Click here for the Engineering Drawing
1631-42 Revision E

Part Number Finish
1631-42G-Z3CT (Standard Finish)
Zinc Trivalent Clear .0003 thick. Trivalent Chromate Clear with Sealer (RoHS Compliant)
Specification(s): ASTM-B-633, Type III, SC 2, Clear
Suffix: -Z3CT
1631-42G-Z3YT
 
Discontinued when current inventory is consumed.
Zinc Trivalent Yellow .0003 thick, Trivalent Chromate Yellow Dye with Sealer

We recommend the Z3CT finish instead of the Z3YT finish. The Z3CT finish is much more cost effective and provides the same salt spray benefits as the Z3YT finish. (RoHS Compliant)
Specification(s): ASTM-B-633, Type II, SC 2, Yellow
Suffix: -Z3YT
1631-42G-Z3BTZinc Trivalent Black .0003 thick. Trivalent Chromate Black Dye with Sealer (RoHS Compliant)
Specification(s): ASTM-B-633, Type II, SC 2, Black
Suffix: -Z3BT
1631-42G-ZFBT
 
Discontinued when current inventory is consumed.
Zinc Flake Coating with Black Sealer
Delta Seal Black GZ Coating (RoHS Compliant)
Specification(s): Delta Protekt; KL100
Suffix: -ZFBT

The "G" in the part number represents the Stud Grip Length. The Stud Grip Length can be determined from the sizing table found on the receptacle pages.


Hex Recess Head
Stud Part Number
Grip Length
(G)
Undercut
(U)
Weight
mm inch mm inch g lb
1631-428-Z3CT8.3153.121.950.0043
1631-429-Z3CT9.3544.162.086.0046
1631-4210-Z3CT10.3945.202.177.0048
1631-4211-Z3CT11.4336.242.268.0050
1631-4212-Z3CT12.4727.282.404.0053
1631-4213-Z3CT13.5128.322.495.0055
1631-4214-Z3CT14.5519.352.585.0057
1631-4215-Z3CT15.59010.392.721.0060
1631-4216-Z3CT16.63011.432.812.0062
1631-4217-Z3CT17.66912.472.948.0065
1631-4218-Z3CT18.70913.513.039.0067
1631-4219-Z3CT19.74814.553.130.0069
1631-4220-Z3CT20.78715.593.220.0071
1631-4221-Z3CT21.82716.633.357.0074