Home
Standard Parts
Back to Spring Plungers
K0321 - Spring Plungers With Slot And Ball In Steel With Thread Lock

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

List view Grid view

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

Version:
Black oxidised. Ball hardened.

Drawing reference:
L2 = approx. 2x thread pitch

Spring Plunger. M3 Thread. 7mm Long. 1.5mm Ball Diameter. 1.5N Spring Force. Steel.

Select your sizes

Choose Vertical Base Type

Choose Horizontal Base Type

Choose Stroke Length

Choose Type

Sort by

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.03 View product Spring Plunger. M3 Thread. 7mm Long. 1.5mm Ball Diameter. 1.5N Spring Force. Steel.	M3	1,5	0,4	7	4	0,07	0,4	1,5	3	0,1	£1.60 £1.92		54 50+ in stock

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.203 View product Spring Plunger. M3 Thread. 7mm Long. 1.5mm Ball Diameter. 5N Spring Force. Steel.	M3	1,5	0,4	7	4	0,07	0,4	5	7	0,1	£1.93 £2.32		0 Dispatched 05/07/25

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.04 View product Spring Plunger. Thread M4. Length 9mm. Ball Diameter 2.5mm. Spring Force 4N. Steel.	M4	2,5	0,8	9	5	0,12	0,6	4	10	0,18	£1.40 £1.68		0 Dispatched 05/07/25

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.204 View product Spring Plunger. Thread M4. Length 9mm. Ball Diameter 2.5mm. Spring Force 12N. Steel.	M4	2,5	0,8	9	5	0,12	0,6	12	22	0,18	£1.52 £1.82		0 Dispatched 05/07/25

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.05 View product Spring Plunger. Thread M5. Length 12mm. Ball Diameter 3mm. Spring Force 6N. Steel.	M5	3	0,9	12	6	0,08	0,8	6	11	0,12	£1.43 £1.72		0 Dispatched 05/07/25

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.205 View product Spring Plunger. Thread M5. Length 12mm. Ball Diameter 3mm. Spring Force 19N. Steel.	M5	3	0,9	12	6	0,08	0,8	19	30	0,12	£1.52 £1.82		0 Dispatched 05/07/25

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.06 View product Spring Plunger. Thread M6. Length 14mm. Ball Diameter 3.5mm. Spring Force 9N. Steel.	M6	3,5	1	14	7	0,21	1	9	13	0,43	£1.49 £1.79		33 33 in stock

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.206 View product Spring Plunger. Thread M6. Length 14mm. Ball Diameter 3.5mm. Spring Force 28N. Steel.	M6	3,5	1	14	7	0,21	1	28	40	0,43	£1.58 £1.90		0 Dispatched 05/07/25

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.08 View product Spring Plunger. Thread M8. Length 16mm. Ball Diameter 5mm. Spring Force 15N. Steel.	M8	5	1,5	16	8	0,37	1,2	15	30	1,09	£1.74 £2.09		11 11 in stock

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.208 View product Spring Plunger. Thread M8. Length 16mm. Ball Diameter 5mm. Spring Force 47N. Steel.	M8	5	1,5	16	8	0,37	1,2	47	73	1,09	£1.90 £2.28		28 28 in stock

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.10 View product Spring Plunger. Thread M10. Length 19mm. Ball Diameter 6mm. Spring Force 20N. Steel.	M10	6	2	19	9	0,62	1,6	20	40	1,36	£1.83 £2.20		10 10 in stock

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.210 View product Spring Plunger. Thread M10. Length 19mm. Ball Diameter 6mm. Spring Force 66N. Steel.	M10	6	2	19	9	0,62	1,6	66	100	1,36	£1.97 £2.36		0 Dispatched 05/07/25

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.12 View product Spring Plunger. Thread M12. Length 22mm. Ball Diameter 8mm. Spring Force 30N. Steel.	M12	8	2,5	22	10	1,36	2	30	55	2,03	£3.72 £4.46		18 18 in stock

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.212 View product Spring Plunger. Thread M12. Length 22mm. Ball Diameter 8mm. Spring Force 66N. Steel.	M12	8	2,5	22	10	1,36	2	66	120	2,03	£3.89 £4.67		0 Dispatched 05/07/25

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.16 View product Spring Plunger. Thread M16. Length 24mm. Ball Diameter 10mm. Spring Force 65N. Steel.	M16	10	3,5	24	14	2,95	2,5	65	125	3,95	£5.44 £6.53		17 17 in stock

	D	D1	H	L	L1	Loosening torque, approx. Nm	N	Spring force initial pressure F1 approx. N	Spring force final pressure F2 approx. N	Tightening torque approx. Nm	Price (Excl VAT)	Price (Inc VAT)	Compare	Qty	Basket
FILTERS													Basket
K0321.216 View product Spring Plunger. Thread M16. Length 24mm. Ball Diameter 10mm. Spring Force 90N. Steel.	M16	10	3,5	24	14	2,95	2,5	90	180	3,95	£5.69 £6.83		0 Dispatched 05/07/25

Showing products per page

Sort by

50+ in stock

Item Code: K0321.03

Spring Plunger. M3 Thread. 7mm Long. 1.5mm Ball Diameter. 1.5N Spring Force. Steel.

£1.60 Excl VAT £1.92 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.203

Spring Plunger. M3 Thread. 7mm Long. 1.5mm Ball Diameter. 5N Spring Force. Steel.

£1.93 Excl VAT £2.32 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.04

Spring Plunger. Thread M4. Length 9mm. Ball Diameter 2.5mm. Spring Force 4N. Steel.

£1.40 Excl VAT £1.68 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.204

Spring Plunger. Thread M4. Length 9mm. Ball Diameter 2.5mm. Spring Force 12N. Steel.

£1.52 Excl VAT £1.82 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.05

Spring Plunger. Thread M5. Length 12mm. Ball Diameter 3mm. Spring Force 6N. Steel.

£1.43 Excl VAT £1.72 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.205

Spring Plunger. Thread M5. Length 12mm. Ball Diameter 3mm. Spring Force 19N. Steel.

£1.52 Excl VAT £1.82 Inc VAT

Price breaks available

Text

Qty

33 in stock

Item Code: K0321.06

Spring Plunger. Thread M6. Length 14mm. Ball Diameter 3.5mm. Spring Force 9N. Steel.

£1.49 Excl VAT £1.79 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.206

Spring Plunger. Thread M6. Length 14mm. Ball Diameter 3.5mm. Spring Force 28N. Steel.

£1.58 Excl VAT £1.90 Inc VAT

Price breaks available

Text

Qty

11 in stock

Item Code: K0321.08

Spring Plunger. Thread M8. Length 16mm. Ball Diameter 5mm. Spring Force 15N. Steel.

£1.74 Excl VAT £2.09 Inc VAT

Price breaks available

Text

Qty

28 in stock

Item Code: K0321.208

Spring Plunger. Thread M8. Length 16mm. Ball Diameter 5mm. Spring Force 47N. Steel.

£1.90 Excl VAT £2.28 Inc VAT

Price breaks available

Text

Qty

10 in stock

Item Code: K0321.10

Spring Plunger. Thread M10. Length 19mm. Ball Diameter 6mm. Spring Force 20N. Steel.

£1.83 Excl VAT £2.20 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.210

Spring Plunger. Thread M10. Length 19mm. Ball Diameter 6mm. Spring Force 66N. Steel.

£1.97 Excl VAT £2.36 Inc VAT

Price breaks available

Text

Qty

18 in stock

Item Code: K0321.12

Spring Plunger. Thread M12. Length 22mm. Ball Diameter 8mm. Spring Force 30N. Steel.

£3.72 Excl VAT £4.46 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.212

Spring Plunger. Thread M12. Length 22mm. Ball Diameter 8mm. Spring Force 66N. Steel.

£3.89 Excl VAT £4.67 Inc VAT

Price breaks available

Text

Qty

17 in stock

Item Code: K0321.16

Spring Plunger. Thread M16. Length 24mm. Ball Diameter 10mm. Spring Force 65N. Steel.

£5.44 Excl VAT £6.53 Inc VAT

Price breaks available

Text

Qty

Dispatch by 05/07/25

Item Code: K0321.216

Spring Plunger. Thread M16. Length 24mm. Ball Diameter 10mm. Spring Force 90N. Steel.

Dispatch by 05/07/25

Item Code: K0321.216

£5.69 Excl VAT £6.83 Inc VAT

Price breaks available

Text

Qty

Showing products per page