AP 3312

SKU: AP 3312 Category: Stock Extension Springs Tag: G

Quantity Pricing

1 - 4	5 - 14	15 - 29	30 - 49	50 - 99	100 - 199	200 - 499	500 - 999
£2.97	£2.67	£2.08	£1.49	£1.19	£0.89	£0.74	£0.59

Metric

Imperial

Outside Dia. (mm)

Free Length (mm)

Wire Dia. (mm)

Extended Length (mm)

Initial Tension (N)

Spring Rate (N/mm)

12.7

38.1

1.42

59.928

8.072

2.589

Outside Dia. (In)

Free Length (In)

Wire Dia. (In)

Extended Length (In)

Initial Tension (Lbs)

Spring Rate (Lbs/in)

0.5

1.5

0.056

2.359

1.815

14.782

AP 3312 - Extension Spring - Outside Dia.: 12.7mm | Free Length: 38.1mm | Extended Length: 59.928mm

Get in Contact with the TEAM

Tel +44 (0) 117 967 3313
Email sales@flexosprings.com

Contact Form

Find Us

Flexo Springs Limited

Hill Street, Kingswood

Bristol BS15 4HB

Google Maps

SOCIALS

Flexo Downloads

Accreditations

ISO 9001:2015 Certificate
Environmental Policy
Quality Policy
GDPR Privacy Policy

Credit Account Application
Conflict Minerals Statement Reach + RoHS Statement
Company Information

Terms & Conditions Privacy Policy Website by TRI

Registered in England and Wales Company No.00228767

VAT No. GB 137 6648 41

► Necessary Cookies Always Active

Necessary cookies enable essential site features like secure log-ins and consent preference adjustments. They do not store personal data.

► Functional Cookies Remark

Functional cookies support features like content sharing on social media, collecting feedback, and enabling third-party tools.

► Analytical Cookies Remark

Analytical cookies track visitor interactions, providing insights on metrics like visitor count, bounce rate, and traffic sources.

► Advertisement Cookies Remark

Advertisement cookies deliver personalized ads based on your previous visits and analyze the effectiveness of ad campaigns.

	Compression Springs	Extension Springs
Working Length	Its is not advisable to use more than 80% of the maximum possible deflection.	We recommend a safe extended length for our springs
End Coils	Up to 0.5mm wire - closed only. Over 0.5mm wire - closed & ground	Full loops are similar to outside diameter. Loop end positions may vary.
Tolerances	British Standard - BS 1726: Part1:Grade 2	British Standard - BS 1726: Part2:Grade 2
Materials	Carbon Steel Wire / Music Wire - British Standard BS5216, Grade ND3.
Winding	Springs are normally right wound, however this may vary.
Finish	Springs are stress relieved at appropriate temperatures, and stock springs are supplied in a plain finish, lightly oiled.

STOCK EXTENSION SPRINGS: AP 3312