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21 Gauge Needles

21 gauge needles are available today with great prices at CIA Medical

21 Gauge Needles / 21g Needles

21 gauge needles are among the most commonly used needle sizes in medical facilities. They are slim enough to minimize the injection pain while large enough for effective fluid delivery.

Uses of the 21 Gauge Needle

The uses for this needle gauge include drawing blood and injecting steroids into subcutaneous muscle tissue. Physicians use the 21 gauge needle for biospies too.

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Showing 49 to 75 of 75
Smiths Medical #80211

Smiths Medical #80211, NEEDLE BLOOD COLLECTION 21GA X 1IN MULTI-SAMPLE GREEN HUB JELCO NEEDLE-PRO LATEX-FREE (1000/CS)

$102.63 per CASE

Special Order Item
Smiths Medical #4272

Smiths Medical #4272, NEEDLE BLOOD COLLECTION 21GA X 1.5IN SAFETY SHIELD SINGLE-SAMPLE DEEP GREEN HUB LUER-SLIP/LOCK COMPATIBLE NEEDLE-PRO LATEX-FREE (800/CS)

$275.03 per CASE

Special Order Item
Argon Medical Devices #195323

Argon Medical Devices #195323, NEEDLE ARTERIAL AMC4 21G 2IN, 10/CS

$85.06 per CASE

Special Order Item
Exel International #26416

Exel International #26416, NEEDLE, 21GX1-1/2", HYPODERMIC, 2000/CS

$115.64 per CASE

Special Order Item
Phlebotic #0674

Phlebotic #0674, Needle Blood Collection Green 21Gx1" 100/PK

$29.69 per PACK

Special Order Item
B Braun #4657543-02

B Braun #4657543-02, NEEDLE, STERICAN, 0, 80X25, 21GX1, BLUTEN, 1000/CS

$93.58 per CASE

Special Order Item
Smiths Medical #432115

Smiths Medical #432115, NEEDLE EDGE 21 GA X 1 1/2 IN 3CC, 400/CS

$244.10 per CASE

Special Order Item
Exel International #26414

Exel International #26414, Needle Disposable 21gx1" 100/BX

$5.84 per BOX

Ships Within: Backorder
Greiner #450072

Greiner #450072, Needle Blood Collection Vacuette 21gx1" Grn Multi-Sample 100/Bx, 20 BX/CA

$186.80 per CASE

Ships Within: Backorder
Terumo #SG3-2125

Terumo #SG3-2125, Needle 21gx1" SurGuard 3 Safety 100/Bx, 8 BX/CA

$261.84 per CASE

Ships Within: Backorder
Terumo #SG3-2138

Terumo #SG3-2138, Needle 21gx1-1/2" SurGuard 3 Safety 100/Bx, 8 BX/CA

$261.84 per CASE

Ships Within: Backorder
Covidien #8881850115

Covidien #8881850115, Needle LL 21gx1-1/2" Safety Magellan 3Bvl Shield Strl 50/Bx, 10 BX/CA

$200.00 per CASE

Ships Within: Backorder
Terumo #SG3-2125

Terumo #SG3-2125, Needle 21gx1" SurGuard 3 Safety 100/Bx, 8 BX/CA

$32.73 per BOX

Ships Within: Backorder
Terumo #SG3-2138

Terumo #SG3-2138, Needle 21gx1-1/2" SurGuard 3 Safety 100/Bx, 8 BX/CA

$32.73 per BOX

Ships Within: Backorder
BD  #305165

BD #305165, Needle Disposable 21gx1" 100/BX, 10 BX/CS

$11.38 per BOX

Ships Within: Restricted
BD  #305165

BD #305165, Needle 21gx1" PrecisionGlide Bvl Strl Green Shlf Pk 100/Bx, 10 BX/CA

$81.31 per CASE

Ships Within: Restricted
Cook Medical #G00008

Cook Medical #G00008, NEEDLE, PERCUTANEOUSMENTRY, 1 PART, 21G, 4L, EACH

$16.09 EACH

Ships Within: Discontinued
Smiths Medical #80211

Smiths Medical #80211, Needle Multi-Sampling Bld Coll 21gX1 1000/CS

$115.86 per CASE

Ships Within: Discontinued
Covidien #216033

Covidien #216033, Needle Blood Collection Monoject Supr/Hon 21gx1" Lvn Multi 100/Bx, 10 BX/CA

$144.56 per CASE

Ships Within: Discontinued
Deroyal #SPG-101-21-07

Deroyal #SPG-101-21-07, NEEDLE, SPPRO, GWI, SHARPS, SAFETY, 21G X 7CM, 25/CS

$375.98 per CASE

Ships Within: 24 Hours
Hakko #EBA-2180

Hakko #EBA-2180, Needle Anesth Echo Block 21Gx3-1/8" Ea

$13.83 EACH

Ships Within: 2-3 Days
Covidien #250172

Covidien #250172, NEEDLE, HYPO REG 21GX1" 100/BX

$72.50 per CASE

Ships Within: 24 Hours
Havel's #EBA-21150

Havel's #EBA-21150, Needle Anesthesia Echo Block 21gx6" Ea

$16.41 EACH

Special Order Item
Havel's #EBA-21100

Havel's #EBA-21100, Needle Echo Block Anes 21gx4" Ea

$16.41 EACH

Special Order Item
Hakko #EBA-2150

Hakko #EBA-2150, Needle 21gx2" Ultrasound EchoBlock MSK Echogenic Ea

Call for Pricing

Special Order Item
Havel's #ES-2180

Havel's #ES-2180, NEEDLE ECHOSTECHOGINSU 21

$16.42 EACH

Special Order Item
Nipro #NM+21G38

Nipro #NM+21G38, Needle Blood Collection Green 21Gx1-1/2" 1000/CS

$99.15 per CASE

Ships Within: Backorder

Does Needle Sizing Come From?

The standard for determining the gauge of a needle is the Birmingham wire gauge. It was originally a scale for wire sizing, but the medical community adopted it and uses it still to identify suture, catheter and needle sizes. Each particular needle gauge has an exterior diameter, an interior diameter and a wall thickness since hypodermic needles are hollow.

21g needles measure as follows:

  • Outer diameter: 0.03225 in. (variation 0.00025 in.) or 0.8192 mm (variation 0.0064)
  • Inner diameter: 0.02025 in. (variation 0.00075 in.) or 0.514 mm (variation 0.019 mm)
  • Wall thickness: 0.00600 in. (variation 0.00025 in.) or 0.1524 mm (variation 0.0064 mm)
  • Common lengths: 0.5 - 1.5 inches

The standard method for indication gauge and size of needles is: 21g x 1. That means the 21 gauge needle is 1 inch in length.

The International Organization for Standardization has designated the ISO6009 color coding for each gauge. The ISO6009 system makes the needle size easy to identify. The connector between the single-use needle and the syringe, called a Luer lock, displays the color corresponding to the needle gauge. The 21g needle has a deep green Luer lock.

Which Manufacturers Are 21 Gauge Needle Suppliers?

CIA Medical for Sharps of All Sizes

CIA Medical is a leading supplier of medical products from 5,000 different brands. We have needles in virtually every gauge and length. In the rare instance when we don’t have exactly what you need, we will get it for you. Create an account today and get white glove service, quick quotes and top-quality supplies.