Rivet Nuts (Insert Nuts)

Flat Head Knurled Body Rivet Nut, AVK Type (Inch & Metric)

US-style knurled rivet nut in UNC/UNF and ISO metric threads.

Section: Rivet nuts
Type: Special rivet nuts

Overview

AVK-type flat head knurled rivet nuts follow US dimensions, in unified inch threads (to ASME B1.1, class 2B) and ISO metric threads (to ASME B1.13M, class 6H). The knurled body resists spinning in a round hole.

Each thread comes in two or three grip ranges to suit different sheet thicknesses.

Specifications

Inch threads	6-32, 8-32, 10-24, 10-32 UNF, 1/4-20, 5/16-18, 3/8-16, 1/2-13 UNC
Metric threads	M4, M5, M6, M8, M10, M12
Grip range (inch)	0.019" to 0.500"
Grip range (metric)	0.5 mm to 12.7 mm
Length (metric)	10.67 mm to 36.83 mm
Length (inch)	0.420" to 1.450"
Head / body	Flat head, knurled body, open end

Sizes & part numbers

Thread	Grip range (mm)	Hole size (mm)	Length L (mm)
M4×0.7	0.50–2.00 / 2.00–3.30	6.75	10.67 / 11.94
M5×0.8	0.50–3.30 / 3.30–5.70	7.50	12.07 / 14.86
M6×1.0	0.70–4.20 / 4.20–6.60	10.00	14.30 / 17.27
M8×1.25	0.70–3.80 / 3.80–7.90	13.50	17.53 / 20.45
M10×1.5	0.70–3.80 / 3.80–7.90	13.50	17.53 / 20.45
M12×1.75	1.60–5.10 / 5.10–8.90 / 8.90–12.70	17.45	29.00 / 33.02 / 36.83