Home
Inch Parts
Inch Spring Plungers
Back to K0321 Inch - Spring Plungers With Slot And Ball In Steel With Thread Lock
Spring Plunger With Slot And Ball. 5/16"-18 Thread. 16mm Long. 5mm Ball Diameter. Standard Spring Force. Steel.

Item Code: K0321.A3

Spring Plunger With Slot And Ball. 5/16"-18 Thread. 16mm Long. 5mm Ball Diameter. Standard Spring Force. Steel.

Item Code: K0321.A3

Material:
Sleeve steel grade 5.8.
Ball steel.
Spring grade D spring steel wire.
Thread lock nylon.

Version:
Black oxidized. Ball hardened.

Note:
For the inch series, dimension D is in inches, all other dimensions are in mm.

Drawing Reference:
L2 = approx. 2x thread pitch

Quick Links

Dispatch by 07/12/25

Spring Strength: standard

D: 5/16-18

D1: 5

H: 1.5

L: 16

N: 1.2

Spring force final pressure F2 approx. N: 30

Spring force initial pressure F1 approx. N: 15

T1: 8

£2.56 ea. Excl VAT £3.07 ea. Inc VAT

This product is currently out of stock. Your item will be shipped when it is back in stock.

Qty

Product Wishlist & Compare Placeholder

Free Standard Delivery over £15 ex VAT

Spend another £15 to qualify

modal placeholder

Quick Links

Spring Strength	standard
D	5/16-18
D1	5
H	1.5
L	16
N	1.2
Spring force final pressure F2 approx. N	30
Spring force initial pressure F1 approx. N	15
T1	8