940521-C

Impact Socket Metric

21mm
$27.21
Sale price  $27.21 Regular price 
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940521-C
1/2

Impact Socket Metric

$27.21
Sale price  $27.21 Regular price 
Size
In stock
  • Fast US dispatch from our Fort Worth, Texas warehouse
  • Genuine Teng Tools — professional-grade, designed in Sweden
  • Secure checkout — encrypted payment, trusted providers
  • Backed by guarantee — built to last a working lifetime

Constructed from chrome molybdenum steel with a hardness of 40–48 HRC, this regular 6-point socket has an anti-corrosive black phosphated surface for durability. The 3/4" square drive includes a retaining ring groove and retaining pin hole for secure power tool attachment conforming to DIN standard. Designed for daily professional use in manufacturing and maintenance assembly tasks.

  • Metric impact socket designed to DIN standard
  • 3/4″ square drive with retaining ring groove and retaining pin hole
  • Made from chrome molybdenum steel
  • Suitable for use with power tools
  • Anti-corrosive phosphated surface
  • Black finish
  • Hexagonal profile with TengTools ‘Hip Grip’ reduces the risk of deformation or slippage

Sizes & specifications

Size Part no. Length Weight
19mm 940519-C 2.0" (50 mm) 9.0 oz (255 g)
21mm 940521-C 2.0" (50 mm) 8.9 oz (251 g)
22mm 940522-C 2.0" (50 mm) 8.9 oz (251 g)
23mm 940523-C 2.0" (50 mm) 9.0 oz (256 g)
24mm 940524-C 2.0" (50 mm) 9.0 oz (256 g)
27mm 940527-C 2.1" (54 mm) 9.6 oz (271 g)
28mm 940528-C 2.1" (54 mm) 10.6 oz (301 g)
30mm 940530-C 2.1" (54 mm) 11.0 oz (313 g)
32mm 940532-C 2.2" (56 mm) 11.7 oz (331 g)
33mm 940533-C 2.2" (56 mm) 14.0 oz (396 g)
34mm 940534-C 2.2" (56 mm) 14.9 oz (421 g)
36mm 940536-C 2.2" (56 mm) 1.0 lb (0.46 kg)
38mm 940538-C 2.3" (58 mm) 1.0 lb (0.47 kg)
40mm 940540-C 2.3" (58 mm) 1.2 lb (0.53 kg)
41mm 940541-C 2.3" (58 mm) 1.3 lb (0.61 kg)
46mm 940546-C 2.5" (63 mm) 1.7 lb (0.78 kg)
50mm 940550-C 2.7" (68 mm) 1.9 lb (0.84 kg)

Lengths and weights in US units with metric in parentheses, straight from official Teng Tools data.

Specifications

TypeSockets & Accessories
CategoryImpact Sockets
Drive size3/4"
Measurement standardMetric
DIN / ISODIN
Part number940521-C

Inside this socket

Sectional view through the socket wall, drawn to the published dimensions.

19 mm socket cutaway (phosphate) 19 mm Chrome molybdenum (CrMo) wall 7 mm section Black phosphate finish Retaining pin hole 6-point hex bore (19 mm across flats) 3/4" square drive (19.05 mm)
  • 19 mm across flats
  • 3/4" square drive
  • 6-point profile
  • 50 mm overall length
Shipping

Free shipping on orders over $99. Orders are stocked, picked and shipped from our warehouse in Fort Worth, Texas — orders placed on business days ship same-day wherever possible.

Lifetime warranty

Teng Tools hand tools are backed by a lifetime warranty against manufacturing defects. Screwdriver bits and socket bits are consumables and are guaranteed to meet dimensional standards. Torque wrenches and air tools can be serviced and recalibrated on request — contact us to arrange it.

Returns

Not right for the job? Contact us within 30 days of delivery and we'll sort out a return or exchange. Tools must be unused and in their original packaging. Warranty claims are handled separately — a defective tool is our problem, not yours.

Why Teng Tools?

Swedish Design Since 1985

Trusted in 30+ countries. Designed in Sweden, built to ISO and DIN standards.

Shipped Fast from Texas

US warehouse in Fort Worth, so orders move fast. TAA approved for government and defense.

Lifetime Warranty

Something goes wrong? Send a photo and your order number — same-day shipping on replacements.

The Devil Is in the Detail

Satin-finish wrenches, through-blade screwdrivers, heavy-gauge storage — built to last.

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