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Our stocked range of gib head keys are available in metric and inch sizes and manufactured from key steel. They are a tapered key with a head at the larger end of the key which serves as a stop mechanism on a rotating shaft. We also have
capabilities to produce keys to order in stainless steel A2 and A4. The head of a gib head key also makes for easier removal during disassembly, plus the key has a 1:100 taper to firmly engage the shaft to the hub. Machine keys are mainly used in areas where frequent removal of the key is necessary, such as agricultural equipment to hold gears and pulleys secure to a rotating shaft.

We also have the capabilities to manufacture Gib Head Keys and other Machine Keys to order in stainless steel A2 and stainless steel A4.  For a competitive quotation for non-standard machine keys, please contact our manufacturing team.

Technifast Gib Head Keys

DIN 6887 / ISO 2492 (1:100 Taper)

Taper: 1 in 100
Width ‘W’: Tolerance h9
Height ‘H1’: Measured at Top of Taper
Length ‘L’: Measured from Tapered End to Under Head


BS 46 Part 1 (imperial) 

Taper 1 in 100
Width ‘W’
  • Tolerance up to 5/8” = +0.002” / -0.000”
  • Tolerance 3/4” to 7/8” = +0.003” / -0.000”
  • Tolerance 1” to 1 1/4” = +0.004” / -0.000”
  • Tolerance over 1 3/8” = +0.005” / -0.000”
Height ‘H’ Measured at Top of Taper
Length ‘L’ Overall Length

We hold large stocks of the gib head key sizes detailed below to ensure a fast delivery.  Speak to our team to enquire or place an order.

DIN 6887 / ISO 2492 (Metric):

Width 'W' Height 'H' Width 'W' Height 'H'
4mm 4mm 20mm 12mm
5mm 5mm 22mm 14mm
6mm 6mm 25mm 14mm
8mm 7mm 28mm 16mm
10mm 8mm 32mm 18mm
12mm 8mm 36mm 20mm
14mm 9mm 40mm 22mm
16mm 10mm 45mm 25mm
18mm 11mm 50mm 28mm


BS 46 Part 1 (Imperial)

Width 'W' Height 'W' Width 'W' Height 'H'
1/8"  1/8" 7/16" 5/16"
3/16" 3/16" 7/16" 7/16"
1/4" 3/16" 1/2" 5/16"
1/4" 1/4" 1/2" 1/2"
5/16" 1/4" 5/8" 5/8"
5/16" 5/16" 3/4" 3/4"
3/8" 1/4" 7/8" 7/8"
3/8" 5/16" 1" 1"
3/8" 3/8" 1 1/4" 1 1/4"


Custom Made Gib Head Keys

We also have the manufacturing capabilities to produce non-standard machine keys in steel or stainless steel. We can offer a quick cycle time and large discounts on volume orders.  Contact us with your requirements,

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