Frequently Asked Questions

Gas Chromatography Accessories

What syringe needle point styles are available?

Restek offers five point styles on syringe and needle products: #2, #3, #5, S/Hole, and Agilent/Cone. Other styles are available on request.

	Point Style 2, 22/20: 22/20-degree beveled needle point, recommended for septum penetration.

	Point Style 3: 90-degree needle point, for use with HPLC injection valves and for sample pipetting.

	Point Style 5: Conical needle with side port, for septum penetration.

	Point Style S/Hole: Liquid samples are filled and dispensed through the side hole. The solid dome tip minimizes septum damage.

	Point Style Agilent/Cone: Special conical style needle point used exclusively on syringes for the Agilent 7673 autosampler. A cross-reference for Agilent syringes can be found in the syringe section of our general catalog.