21 Gauge Needle

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21 Gauge Needle
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  • Purple Threaded Luer Lock Hub; 21 gauge 1.0 inch High Precision tip - id inch:0.020(1.010mm) od inch:0.032(0.82mm). Polypropylene plastic threaded hub with burr free passivated stainless steel canula, bonded with a UV cured adhesive.

  • Needles are sealed individually; protective plastic sheath is not removed until actual use. Color-coded hub identifies gauge, as follows: 30 gauge needle is beige; 27 gauge, grey; 26 gauge, tan; 25 gauge, blue; 23 gauge, turquoise; 22 gauge, black; 21 gauge, green; 20 gauge, yellow; 18 gauge, pink;…

  • quick-ship

    Jensen Global

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • Hamilton

    The Hamilton 21 gauge needle hub is suitable for use with syringe, which is used in laboratory and research use.

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • MilliporeSigma

    With KEL-F Luer hub.A septum to be pierced with these PTFE needles must be punctured with a hollow SS needle. The PTFE needle is then threaded through. After threading, the SS needle is withdrawn, allowing the septum to seal around the PTFE needle.For 20 ga PTFE use Z126756 (14 ga SS); 18 ga PTFE…

  • Designed for use for small volumes, these 17 gauge hypodermic needle thermocouples can be inserted through septa into a reaction. They are PTFE coated and sealed at the end for liquid tight applications. Available in 3-1/2 or 7 inch lengths with 72 inches of PTFE coated extension wire. Please…

  • …plated brass. Needles are available from 33 to 10 gauge. This hub makes the most rigid connection to the needle making it perfect for repetitive septum piercing. Metal hub needles are compatible with PTFE Luer Lock (TLL) syringes. All needles are sold in six-packs and the standard needles are 51 mm…

  • …hub (KF) needles can be used with Luer Tip (LT) and PTFE Luer Lock (TLL) syringes and connectors. Standard needle length is 2" / 51 mm. Kel-F hub (KF) needles are available in convenient six packs. Custom lengths and point styles are available. These needles are available from 10 - 31 gauge.

  • …plated brass. Needles are available from 33 to 10 gauge. This hub makes the most rigid connection to the needle making it perfect for repetitive septum piercing. Metal hub needles are compatible with PTFE Luer Lock (TLL) syringes. All needles are sold in six-packs and the standard needles are 51 mm…

  • Needles are available from 31 to 10 gauge. This hub is recommended when connecting to a rigid male Luer like a Luer Tip (LT) syringe because the plastic is more pliable and creates the best seal. All needles are sold in six-packs and the standard needles are 51 mm long. For all custom needles, the…

  • Hub Metal (N) Gauge 21 gauge Length 2 inch (51 mm) Point Style 3 Autoclavable Yes Sales Quantity 6 needles per pack

  • …adjustable needle exposure of 0 to 20 mm and offer compatibility with most infusion pumps and stereotaxic holders. Needle rigidity improves insertion path accuracy Minimal tissue damage reduces injection variability Reduced sample loss saves money and materials Fine gauge needle

  • Two 12 gauge SS needles (6 and 18 in.) are connected to the CHEM-FLEX 106 tubing with nylon clamps. Liquids contact only PTFE and SS during transfers. For extra security when using large bore transfer needles, fasten septum to bottle or flask opening with a wrap-it tie.The nylon clamps are…

  • Two 12 gauge SS needles (6 and 18 in.) are connected to the CHEM-FLEX 106 tubing with nylon clamps. Liquids contact only PTFE and SS during transfers. For extra security when using large bore transfer needles, fasten septum to bottle or flask opening with a wrap-it tie.The nylon clamps are…

  • •Single-stage •CGA inlet connection, needle valve outlet with ¼ in. NPTM connection •Max. inlet pressure: 0-4000 psig •Temp. range: -40 to 140F •316 Stainless Steel body 1 ½ in. gauge face, PTFE seals and inner friction sleeves •NPTF bonnet-vent (1/8 in.) connection for piping regulator to fume…

  • Holland Green Science

    …product contamination from back-streaming vacuum oil Vacuum gauge: MKS® capacitance manometer or Edwards® APG-MP vacuum gauge Vacuum control: Needle valve or MKS® PID control valve Control System Optional 21 CFR Part 11 and cGAMP compliance Access control according to…

  • MilliporeSigma

    These valves are very easy to use:      1. Push the green button to open the valve      2. Insert the needle through the septum and take sample      3. Remove the needle and push to closeBenefits include: •PTFE construction for inertness. PTFE is useful when working when acids and organic solvents …

  • These valves are very easy to use. 1. Push the green button to open the valve2. Insert the needle through the septum and take sample3. Remove the needle and push to close Benefits include: •PTFE construction for inertness. PTFE is useful when working when acids and organic solvents. •Good sealing…

  • These valves are very easy to use. 1. Push the green button to open the valve2. Insert the needle through the septum and take sample3. Remove the needle and push to close Benefits include: •PTFE construction for inertness. PTFE is useful when working when acids and organic solvents. •Good sealing…

  • …suspension cells, add the RIPA buffer to washed cell pellet in a 15 ml conical centrifuge tube. Disrupt cells by repeated aspiration through a 21 gauge needle and transfer to a 15 ml conical centrifuge tube. Wash cell culture plate with additional 1.0 ml ice cold RIPA buffer and combine with…

  • …suspension cells, add the RIPA buffer to washed cell pellet in a 15 ml conical centrifuge tube. Disrupt cells by repeated aspiration through a 21 gauge needle and transfer to a 15 ml conical centrifuge tube. Wash cell culture plate with additional 1.0 ml ice cold RIPA buffer and combine with…

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