This website uses cookies

We use cookies to provide core website functionality, to analyse our traffic and to personalise content and ads. We also share information about your use of our site with our social media, advertising and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services.

For more information visit our privacy policy

Necessary

Enables core website functionality. These include cookies that help make the basket and checkout process possible, as well as assist in security issues and conforming with regulations.

Analytics

Enables the use of basic behavioural data for analysis to help optimise site performance, review how you interact with our website and apps, and improve our site. None of the information we share is personally identifiable.

Advertising

Enables the sharing of behavioural data with advertising partners. The intention is show ads that are relevant and engaging for the individual user. The data is used to enhance and report on advertising performance with third party advertisers.

Security Fittings - 303 & 304

TMS Express Delivery

Next day delivery on over 3000 products.

Unlimited Free Cutting

Tell us your requirements. We do the rest.

Select your delivery date

If you want it sooner, if we can, we will.

Bulk discounts on all orders

Up to 10% on orders over £1,500.

Home
Tube Clamps (Interclamp)
Security Fittings - 303 & 304

Get your items tomorrow if you order within ...

High quality security grubscrews, part 303, designed with a unique central recess. This means they can't be inserted or removed with a standard allen key giving added protection against the removal of installations by thieves or vandals. They can only be used in conjunction with the appropriate security key, part no 304.

Description	Weight	Price (Ex VAT)	Price (Inc VAT)
Interclamp Security Grubscrew 1/4" to fit tube size 26.9mm and 33.7mm - SGS 303 £1.52 ex VAT £1.82 inc VAT	0.01 kg	£1.52	£1.82
Interclamp Security Grubscrew 3/8" to fit tube sizes 42.4mm & 48.3mm - SGS 303 £1.52 ex VAT £1.82 inc VAT	0.01 kg	£1.52	£1.82
Interclamp Security Allen Key for 26.9mm and 33.7mm tube diameter - 304 £3.18 ex VAT £3.82 inc VAT	0.04 kg	£3.18	£3.82
Interclamp Security Allen Key for 42.4mm & 48.3mm tube diameter - 304 £3.18 ex VAT £3.82 inc VAT	0.06 kg	£3.18	£3.82

Businesses can now pay in 30 days — interest free with

Learn More