Free Standard Delivery on all orders over £15 ex VAT

delivery countdown placeholder

 
 

Mobile/Tablet

  Free Standard Delivery on all orders over £15 ex VAT

  No minimum order charge

Ex VAT Inc VAT
 

K0321 Inch - Spring Plungers With Slot And Ball In Steel With Thread Lock

K0321 Inch - Spring Plungers With Slot And Ball In Steel With Thread Lock

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

 
Spring Plunger

K0321 Inch - Spring Plungers With Slot And Ball In Steel With Thread Lock

Line drawing placeholder

Move drawing here

D D1 H L N Spring force final pressure F2 approx. N Spring force initial pressure F1 approx. N T1 Spring Strength Price (Exc. Tax) Stock Qty basket

Filters

K0321.AG
View product
8-36 2.5 0.8 9 0.6 10 4 5 standard
£2.02
0
K0321.AD
View product
6-32 1.5 0.4 7 0.4 3 1.5 4 standard
£2.31
0
K0321.A2
View product
1/4-20 3.5 1 14 1 13 9 7 standard
£2.18
0
K0321.2AJ
View product
1/4-28 3.5 1 14 1 40 28 7 intensified
£2.26
0
K0321.2A5
View product
1/2-13 8 2.5 22 2 120 66 10 intensified
£5.62
0
K0321.2A4
View product
3/8-16 6 2 19 1.6 100 66 9 intensified
£2.83
0
K0321.2A2
View product
1/4-20 3.5 1 14 1 40 28 7 intensified
£2.26
0
K0321.2A1
View product
10-32 3 0.9 12 0.8 30 19 6 intensified
£2.20
0
K0321.AJ
View product
1/4-28 3.5 1 14 1 13 9 7 standard
£2.18
0
K0321.AE
View product
8-32 2.5 0.8 9 0.6 10 4 5 standard
£2.02
0
K0321.A6
View product
5/8-11 10 3.5 24 2.5 125 65 14 standard
£7.87
0
K0321.A3
View product
5/16-18 5 1.5 16 1.2 30 15 8 standard
£2.56
0
K0321.2A6
View product
5/8-11 10 3.5 24 2.5 180 90 14 intensified
£8.25
0
K0321.A5
View product
1/2-13 8 2.5 22 2 55 30 10 standard
£5.35
0
K0321.A4
View product
3/8-16 6 2 19 1.6 40 20 9 standard
£2.65
0
K0321.A1
View product
10-32 3 0.9 12 0.8 11 6 6 standard
£2.06
0
K0321.2A3
View product
5/16-18 5 1.5 16 1.2 73 47 8 intensified
£2.72
0

Showing products per page

 
List view Grid view
£
£

Dispatch by 07/12/25

Item Code: K0321.AG

Spring Plunger With Slot And Ball. 8-36" Thread. 9mm Long. 2.5mm Ball Diameter. Standard Spring Force. Steel.

£2.02  Excl VAT £2.42  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.AD

Spring Plunger With Slot And Ball. 6-32" Thread. 7mm Long. 1.5mm Ball Diameter. Standard Spring Force. Steel.

£2.31  Excl VAT £2.77  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.A2

Spring Plunger With Slot And Ball. 1/4"-20 Thread. 14mm Long. 3.5mm Ball Diameter. Standard Spring Force. Steel.

£2.18  Excl VAT £2.62  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.2AJ

Spring Plunger With Slot And Ball. 1/4"-28 Thread. 14mm Long. 3.5mm Ball Diameter. Intensified Spring Force. Steel.

£2.26  Excl VAT £2.71  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.2A5

Spring Plunger With Slot And Ball. 1/2"-13 Thread. 22mm Long. 8mm Ball Diameter. Intensified Spring Force. Steel.

£5.62  Excl VAT £6.74  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.2A4

Spring Plunger With Slot And Ball. 3/8"-16 Thread. 19mm Long. 6mm Ball Diameter. Intensified Spring Force. Steel.

£2.83  Excl VAT £3.40  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.2A2

Spring Plunger With Slot And Ball. 1/4"-20 Thread. 14mm Long. 3.5mm Ball Diameter. Intensified Spring Force. Steel.

£2.26  Excl VAT £2.71  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.2A1

Spring Plunger With Slot And Ball. 10-32" Thread. 12mm Long. 3mm Ball Diameter. Intensified Spring Force. Steel.

£2.20  Excl VAT £2.64  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.AJ

Spring Plunger With Slot And Ball. 1/4"-28 Thread. 14mm Long. 3.5mm Ball Diameter. Standard Spring Force. Steel.

£2.18  Excl VAT £2.62  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.AE

Spring Plunger With Slot And Ball. 8-32" Thread. 9mm Long. 2.5mm Ball Diameter. Standard Spring Force. Steel.

£2.02  Excl VAT £2.42  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.A6

Spring Plunger With Slot And Ball. 5/8"-11 Thread. 24mm Long. 10mm Ball Diameter. Standard Spring Force. Steel.

£7.87  Excl VAT £9.44  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.A3

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

£2.56  Excl VAT £3.07  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.2A6

Spring Plunger With Slot And Ball. 5/8"-11 Thread. 24mm Long. 10mm Ball Diameter. Intensified Spring Force. Steel.

£8.25  Excl VAT £9.90  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.A5

Spring Plunger With Slot And Ball. 1/2"-13 Thread. 22mm Long. 8mm Ball Diameter. Standard Spring Force. Steel.

£5.35  Excl VAT £6.42  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.A4

Spring Plunger With Slot And Ball. 3/8"-16 Thread. 19mm Long. 6mm Ball Diameter. Standard Spring Force. Steel.

£2.65  Excl VAT £3.18  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.A1

Spring Plunger With Slot And Ball. 10-32" Thread. 12mm Long. 3mm Ball Diameter. Standard Spring Force. Steel.

£2.06  Excl VAT £2.47  Inc VAT

Price breaks available

Text

Qty

Dispatch by 07/12/25

Item Code: K0321.2A3

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

£2.72  Excl VAT £3.26  Inc VAT

Price breaks available

Text

Qty

Showing products per page

Showing products per page

{
    "id": "1573",
    "layout_id": "",
    "parent_id": "1559",
    "name": "K0321 Inch - Spring Plungers With Slot And Ball In Steel With Thread Lock",
    "slug": "k0321-inch-spring-plungers-with-slot-and-ball-in-steel-with-thread-lock",
    "meta_title": "K0321 Inch - Spring Plungers With Slot And Ball In Steel With Thread Lock",
    "meta_description": "",
    "long_description": "",
    "short_description": "<div id=\"category-description-short-1\">\r\n<p><strong>Material:<\/strong><br \/>\r\nSleeve steel grade 5.8.<br \/>\r\nBall steel.<br \/>\r\nSpring grade D spring steel wire.<br \/>\r\nThread lock nylon.<\/p>\r\n\r\n<p><strong>Version:<\/strong><br \/>\r\nBlack oxidized.<br \/>\r\nBall hardened.<\/p>\r\n\r\n<p><strong>Note:<\/strong><br \/>\r\nFor the inch series, dimension D is in inches, all other dimensions are in mm.<\/p>\r\n\r\n<p><strong>Drawing reference:<\/strong><br \/>\r\nL2 = approx. 2x thread pitch<\/p>\r\n\r\n<div style=\"text-align: left;\">&nbsp;<\/div>\r\n\r\n<div class=\"category-desc-drawings\" style=\"display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; margin-top: 20px;\"><img alt=\"Spring Plunger\" src=\"https:\/\/images.shopcdn.co.uk\/17\/a6\/17a66c23365d08ed6edf36f7c68aa77b\/1024x1024\/webp\/fit?quality=100&amp;compression=100&amp;t=1761814754\" \/><\/div>\r\n<\/div>",
    "active": "1",
    "visible": "1",
    "show_products": "1",
    "order_num": "",
    "default_sortby": "default",
    "deleted": "0",
    "created": "2025-11-13 08:41:07",
    "updated": "2025-11-13 09:39:57",
    "images": [
        {
            "url": "https:\/\/images.shopcdn.co.uk\/4c\/19\/4c19733bc6a30ab9851df207dfe241dc\/1024x1024\/webp\/fit?quality=100&amp;compression=100",
            "contain_url": "https:\/\/images.shopcdn.co.uk\/4c\/19\/4c19733bc6a30ab9851df207dfe241dc\/256x256\/webp\/fit?quality=100&amp;compression=100",
            "crop_url": "https:\/\/images.shopcdn.co.uk\/4c\/19\/4c19733bc6a30ab9851df207dfe241dc\/256x256\/webp\/fit?quality=100&amp;compression=100",
            "original_url": "https:\/\/images.shopcdn.co.uk\/4c\/19\/4c19733bc6a30ab9851df207dfe241dc\/1200x838\/webp\/resize?quality=100&amp;compression=100"
        }
    ],
    "is_parent_category": false,
    "is_product_group": false,
    "parent_category_title": "Inch Spring Plungers",
    "parent_category_url": "inch-spring-plungers",
    "path": "Inch Parts > Inch Spring Plungers > K0321 Inch - Spring Plungers With Slot And Ball In Steel With Thread Lock",
    "path_list": [
        "Inch Parts",
        "Inch Spring Plungers",
        "K0321 Inch - Spring Plungers With Slot And Ball In Steel With Thread Lock"
    ],
    "selectedTags": [],
    "availableProducts": {
        "key": "available",
        "doc_count": 17,
        "stockLevel": {
            "untracked": 17,
            "in_stock": 0
        }
    },
    "unavailableProducts": {
        "key": "unavailable",
        "doc_count": 0
    },
    "product_attributes": [
        "D",
        "D1",
        "H",
        "L",
        "N",
        "Spring force final pressure F2 approx. N",
        "Spring force initial pressure F1 approx. N",
        "T1",
        "Spring Strength"
    ]
}