Choose to order Shear-Loc knobs only and assemble them onto your own socket head cap screw or custom made screw machine part by means of a vice, arbor press or other suitable assembling device.
Knobs are available in both inch and metric sizes.
Dimension Drawing PDFs
Inch
Metric
Assembling Shear-Loc Instant Thumbscrews
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| Part # | Fits Screw | Style | Color | A | B | C | Measure Unit |
|---|---|---|---|---|---|---|---|
| 83-98-899B | #4 | Knurled | Black | 5/16" | 11/64" | 9/32" | Inch |
| 83-98-899G | #4 | Knurled | Gray | 5/16" | 11/64" | 9/32" | Inch |
| 83-98-899N | #4 | Knurled | Natural | 5/16" | 11/64" | 9/32" | Inch |
| 83-98-899R | #4 | Knurled | Red | 5/16" | 11/64" | 9/32" | Inch |
| 83-98-899Y | #4 | Knurled | Yellow | 5/16" | 11/64" | 9/32" | Inch |
| 83-98-900B | #6 | Knurled | Black | 3/8" | 3/16" | 21/64" | Inch |
| 83-98-900G | #6 | Knurled | Gray | 3/8" | 3/16" | 21/64" | Inch |
| 83-98-900N | #6 | Knurled | Natural | 3/8" | 3/16" | 21/64" | Inch |
| 83-98-900R | #6 | Knurled | Red | 3/8" | 3/16" | 21/64" | Inch |
| 83-98-900Y | #6 | Knurled | Yellow | 3/8" | 3/16" | 21/64" | Inch |
| 83-98-901B | #8 | Knurled | Black | 1/2" | 7/32" | 3/8" | Inch |
| 83-98-901G | #8 | Knurled | Gray | 1/2" | 7/32" | 3/8" | Inch |
| 83-98-901N | #8 | Knurled | Natural | 1/2" | 7/32" | 3/8" | Inch |
| 83-98-901R | #8 | Knurled | Red | 1/2" | 7/32" | 3/8" | Inch |
| 83-98-901Y | #8 | Knurled | Yellow | 1/2" | 7/32" | 3/8" | Inch |
| 83-98-902B | #10 | Knurled | Black | 5/8" | 1/4" | 27/64" | Inch |
| 83-98-902G | #10 | Knurled | Gray | 5/8" | 1/4" | 27/64" | Inch |
| 83-98-902N | #10 | Knurled | Natural | 5/8" | 1/4" | 27/64" | Inch |
| 83-98-902R | #10 | Knurled | Red | 5/8" | 1/4" | 27/64" | Inch |
| 83-98-902Y | #10 | Knurled | Yellow | 5/8" | 1/4" | 27/64" | Inch |
| 83-98-903B | 1/4" | Knurled | Black | 3/4" | 5/16" | 1/2" | Inch |
| 83-98-903G | 1/4" | Knurled | Gray | 3/4" | 5/16" | 1/2" | Inch |
| 83-98-903N | 1/4" | Knurled | Natural | 3/4" | 5/16" | 1/2" | Inch |
| 83-98-903R | 1/4" | Knurled | Red | 3/4" | 5/16" | 1/2" | Inch |
| 83-98-903Y | 1/4" | Knurled | Yellow | 3/4" | 5/16" | 1/2" | Inch |
| 83-98-904B | 1/4" | Knurled | Black | 1" | 5/16" | 1/2" | Inch |
| 83-98-904G | 1/4" | Knurled | Gray | 1" | 5/16" | 1/2" | Inch |
| 83-98-904N | 1/4" | Knurled | Natural | 1" | 5/16" | 1/2" | Inch |
| 83-98-904R | 1/4" | Knurled | Red | 1" | 5/16" | 1/2" | Inch |
| 83-98-904Y | 1/4" | Knurled | Yellow | 1" | 5/16" | 1/2" | Inch |
| 83-98-906B | 5/16" | Knurled | Black | 1" | 13/32" | 19/32" | Inch |
| 83-98-906G | 5/16" | Knurled | Gray | 1" | 13/32" | 19/32" | Inch |
| 83-98-906N | 5/16" | Knurled | Natural | 1" | 13/32" | 19/32" | Inch |
| 83-98-906R | 5/16" | Knurled | Red | 1" | 13/32" | 19/32" | Inch |
| 83-98-906Y | 5/16" | Knurled | Yellow | 1" | 13/32" | 19/32" | Inch |
| 83-98-069B | #6 | Knurled | Black | 5/16" | 3/16" | 19/64" | Inch |
| 83-98-080B | #8 | Knurled | Black | 3/8" | 15/64" | 23/64" | Inch |
| 83-98-082B | #8 | Knurled | Black | 5/8" | 15/64" | 13/32" | Inch |
| 83-98-101B | #10 | Knurled | Black | 1/2" | 1/4" | 13/32" | Inch |
| 83-98-103B | #10 | Knurled | Black | 3/4" | 1/4" | 15/32" | Inch |
| 83-98-104B | #10 | Knurled | Black | 1" | 11/32" | 15/32" | Inch |
| 83-98-907B | 1/4" | Rosette | Black | 1 1/2" | 15/32" | 17/32" | Inch |
| 83-98-907G | 1/4" | Rosette | Gray | 1 1/2" | 15/32" | 17/32" | Inch |
| 83-98-907N | 1/4" | Rosette | Natural | 1 1/2" | 15/32" | 17/32" | Inch |
| 83-98-907R | 1/4" | Rosette | Red | 1 1/2" | 15/32" | 17/32" | Inch |
| 83-98-907Y | 1/4" | Rosette | Yellow | 1 1/2" | 15/32" | 17/32" | Inch |
| 83-98-908B | 5/16" | Rosette | Black | 1 1/2" | 13/32" | 37/64" | Inch |
| 83-98-908G | 5/16" | Rosette | Gray | 1 1/2" | 13/32" | 37/64" | Inch |
| 83-98-908N | 5/16" | Rosette | Natural | 1 1/2" | 13/32" | 37/64" | Inch |
| 83-98-908R | 5/16" | Rosette | Red | 1 1/2" | 13/32" | 37/64" | Inch |
| 83-98-908Y | 5/16" | Rosette | Yellow | 1 1/2" | 13/32" | 37/64" | Inch |
| 83-98-909B | 3/8" | Rosette | Black | 1 1/2" | 15/32" | 45/64" | Inch |
| 83-98-909G | 3/8" | Rosette | Gray | 1 1/2" | 15/32" | 45/64" | Inch |
| 83-98-909N | 3/8" | Rosette | Natural | 1 1/2" | 15/32" | 45/64" | Inch |
| 83-98-909R | 3/8" | Rosette | Red | 1 1/2" | 15/32" | 45/64" | Inch |
| 83-98-909Y | 3/8" | Rosette | Yellow | 1 1/2" | 15/32" | 45/64" | Inch |
| 83-98-923B | #10 | Tee | Black | 1" | 1/4" | 7/16" | Inch |
| 83-98-923G | #10 | Tee | Gray | 1" | 1/4" | 7/16" | Inch |
| 83-98-923N | #10 | Tee | Natural | 1" | 1/4" | 7/16" | Inch |
| 83-98-923R | #10 | Tee | Red | 1" | 1/4" | 7/16" | Inch |
| 83-98-923Y | #10 | Tee | Yellow | 1" | 1/4" | 7/16" | Inch |
| 83-98-924B | 1/4" | Tee | Black | 1 1/4" | 5/16" | 33/64" | Inch |
| 83-98-924G | 1/4" | Tee | Gray | 1 1/4" | 5/16" | 33/64" | Inch |
| 83-98-924N | 1/4" | Tee | Natural | 1 1/4" | 5/16" | 33/64" | Inch |
| 83-98-924R | 1/4" | Tee | Red | 1 1/4" | 5/16" | 33/64" | Inch |
| 83-98-924Y | 1/4" | Tee | Yellow | 1 1/4" | 5/16" | 33/64" | Inch |
| 83-98-925B | 5/16" | Tee | Black | 1 1/2" | 13/32" | 5/8" | Inch |
| 83-98-925G | 5/16" | Tee | Gray | 1 1/2" | 13/32" | 5/8" | Inch |
| 83-98-925N | 5/16" | Tee | Natural | 1 1/2" | 13/32" | 5/8" | Inch |
| 83-98-925R | 5/16" | Tee | Red | 1 1/2" | 13/32" | 5/8" | Inch |
| 83-98-925Y | 5/16" | Tee | Yellow | 1 1/2" | 13/32" | 5/8" | Inch |
| 83-98-926B | 3/8" | Tee | Black | 1 3/4" | 15/32" | 23/32" | Inch |
| 83-98-926G | 3/8" | Tee | Gray | 1 3/4" | 15/32" | 23/32" | Inch |
| 83-98-926N | 3/8" | Tee | Natural | 1 3/4" | 15/32" | 23/32" | Inch |
| 83-98-926R | 3/8" | Tee | Red | 1 3/4" | 15/32" | 23/32" | Inch |
| 83-98-926Y | 3/8" | Tee | Yellow | 1 3/4" | 15/32" | 23/32" | Inch |
| 83-98-928B | M3 | Knurled | Black | 9.6mm | 4.5mm | 8.3mm | Metric |
| 83-98-928G | M3 | Knurled | Gray | 9.6mm | 4.5mm | 8.3mm | Metric |
| 83-98-928N | M3 | Knurled | Natural | 9.6mm | 4.5mm | 8.3mm | Metric |
| 83-98-928R | M3 | Knurled | Red | 9.6mm | 4.5mm | 8.3mm | Metric |
| 83-98-928Y | M3 | Knurled | Yellow | 9.6mm | 4.5mm | 8.3mm | Metric |
| 83-98-929B | M4 | Knurled | Black | 13mm | 5.5mm | 9.8mm | Metric |
| 83-98-929G | M4 | Knurled | Gray | 13mm | 5.5mm | 9.8mm | Metric |
| 83-98-929N | M4 | Knurled | Natural | 13mm | 5.5mm | 9.8mm | Metric |
| 83-98-929R | M4 | Knurled | Red | 13mm | 5.5mm | 9.8mm | Metric |
| 83-98-929Y | M4 | Knurled | Yellow | 13mm | 5.5mm | 9.8mm | Metric |
| 83-98-930B | M5 | Knurled | Black | 16mm | 6.6mm | 12mm | Metric |
| 83-98-930G | M5 | Knurled | Gray | 16mm | 6.6mm | 12mm | Metric |
| 83-98-930N | M5 | Knurled | Natural | 16mm | 6.6mm | 12mm | Metric |
| 83-98-930R | M5 | Knurled | Red | 16mm | 6.6mm | 12mm | Metric |
| 83-98-930Y | M5 | Knurled | Yellow | 16mm | 6.6mm | 12mm | Metric |
| 83-98-931B | M6 | Knurled | Black | 19mm | 7.8mm | 13.6mm | Metric |
| 83-98-931G | M6 | Knurled | Gray | 19mm | 7.8mm | 13.6mm | Metric |
| 83-98-931N | M6 | Knurled | Natural | 19mm | 7.8mm | 13.6mm | Metric |
| 83-98-931R | M6 | Knurled | Red | 19mm | 7.8mm | 13.6mm | Metric |
| 83-98-931Y | M6 | Knurled | Yellow | 19mm | 7.8mm | 13.6mm | Metric |
| 83-98-932B | M6 | Knurled | Black | 26mm | 7.8mm | 13.6mm | Metric |
| 83-98-932G | M6 | Knurled | Gray | 26mm | 7.8mm | 13.6mm | Metric |
| 83-98-932N | M6 | Knurled | Natural | 26mm | 7.8mm | 13.6mm | Metric |
| 83-98-932R | M6 | Knurled | Red | 26mm | 7.8mm | 13.6mm | Metric |
| 83-98-932Y | M6 | Knurled | Yellow | 26mm | 7.8mm | 13.6mm | Metric |
| 83-98-933B | M8 | Knurled | Black | 26mm | 9.8mm | 16.5mm | Metric |
| 83-98-933G | M8 | Knurled | Gray | 26mm | 9.8mm | 16.5mm | Metric |
| 83-98-933N | M8 | Knurled | Natural | 26mm | 9.8mm | 16.5mm | Metric |
| 83-98-933R | M8 | Knurled | Red | 26mm | 9.8mm | 16.5mm | Metric |
| 83-98-933Y | M8 | Knurled | Yellow | 26mm | 9.8mm | 16.5mm | Metric |
| 83-98-934B | M6 | Rosette | Black | 38mm | 12.2mm | 14.1mm | Metric |
| 83-98-934G | M6 | Rosette | Gray | 38mm | 12.2mm | 14.1mm | Metric |
| 83-98-934N | M6 | Rosette | Natural | 38mm | 12.2mm | 14.1mm | Metric |
| 83-98-934R | M6 | Rosette | Red | 38mm | 12.2mm | 14.1mm | Metric |
| 83-98-934Y | M6 | Rosette | Yellow | 38mm | 12.2mm | 14.1mm | Metric |
| 83-98-935B | M8 | Rosette | Black | 38mm | 10.4mm | 17.2mm | Metric |
| 83-98-935G | M8 | Rosette | Gray | 38mm | 10.4mm | 17.2mm | Metric |
| 83-98-935N | M8 | Rosette | Natural | 38mm | 10.4mm | 17.2mm | Metric |
| 83-98-935R | M8 | Rosette | Red | 38mm | 10.4mm | 17.2mm | Metric |
| 83-98-935Y | M8 | Rosette | Yellow | 38mm | 10.4mm | 17.2mm | Metric |
| 83-98-936B | M10 | Rosette | Black | 38mm | 12.5mm | 20mm | Metric |
| 83-98-936G | M10 | Rosette | Gray | 38mm | 12.5mm | 20mm | Metric |
| 83-98-936N | M10 | Rosette | Natural | 38mm | 12.5mm | 20mm | Metric |
| 83-98-936R | M10 | Rosette | Red | 38mm | 12.5mm | 20mm | Metric |
| 83-98-936Y | M10 | Rosette | Yellow | 38mm | 12.5mm | 20mm | Metric |
| 83-98-937B | M5 | Tee | Black | 26mm | 6.6mm | 12mm | Metric |
| 83-98-937G | M5 | Tee | Gray | 26mm | 6.6mm | 12mm | Metric |
| 83-98-937N | M5 | Tee | Natural | 26mm | 6.6mm | 12mm | Metric |
| 83-98-937R | M5 | Tee | Red | 26mm | 6.6mm | 12mm | Metric |
| 83-98-937Y | M5 | Tee | Yellow | 26mm | 6.6mm | 12mm | Metric |
| 83-98-938B | M6 | Tee | Black | 30mm | 7.8mm | 13.2mm | Metric |
| 83-98-938G | M6 | Tee | Gray | 30mm | 7.8mm | 13.2mm | Metric |
| 83-98-938N | M6 | Tee | Natural | 30mm | 7.8mm | 13.2mm | Metric |
| 83-98-938R | M6 | Tee | Red | 30mm | 7.8mm | 13.2mm | Metric |
| 83-98-938Y | M6 | Tee | Yellow | 30mm | 7.8mm | 13.2mm | Metric |
| 83-98-939B | M8 | Tee | Black | 38mm | 10.3mm | 16.5mm | Metric |
| 83-98-939G | M8 | Tee | Gray | 38mm | 10.3mm | 16.5mm | Metric |
| 83-98-939N | M8 | Tee | Natural | 38mm | 10.3mm | 16.5mm | Metric |
| 83-98-939R | M8 | Tee | Red | 38mm | 10.3mm | 16.5mm | Metric |
| 83-98-939Y | M8 | Tee | Yellow | 38mm | 10.3mm | 16.5mm | Metric |
| 83-98-940B | M10 | Tee | Black | 45mm | 12.5mm | 20mm | Metric |
| 83-98-940G | M10 | Tee | Gray | 45mm | 12.5mm | 20mm | Metric |
| 83-98-940N | M10 | Tee | Natural | 45mm | 12.5mm | 20mm | Metric |
| 83-98-940R | M10 | Tee | Red | 45mm | 12.5mm | 20mm | Metric |
| 83-98-940Y | M10 | Tee | Yellow | 45mm | 12.5mm | 20mm | Metric |
| 83-98-950B | #10 | L | Black | 9/16" | 11/32" | 29/64" | Inch |
| 83-98-950G | #10 | L | Gray | 9/16" | 11/32" | 29/64" | Inch |
| 83-98-950N | #10 | L | Natural | 9/16" | 11/32" | 29/64" | Inch |
| 83-98-950R | #10 | L | Red | 9/16" | 11/32" | 29/64" | Inch |
| 83-98-950Y | #10 | L | Yellow | 9/16" | 11/32" | 29/64" | Inch |
| 83-98-951B | 1/4" | L | Black | 11/16" | 7/16" | 33/64" | Inch |
| 83-98-951G | 1/4" | L | Gray | 11/16" | 7/16" | 33/64" | Inch |
| 83-98-951N | 1/4" | L | Natural | 11/16" | 7/16" | 33/64" | Inch |
| 83-98-951R | 1/4" | L | Red | 11/16" | 7/16" | 33/64" | Inch |
| 83-98-951Y | 1/4" | L | Yellow | 11/16" | 7/16" | 33/64" | Inch |
| 83-98-952B | 5/16" | L | Black | 27/32" | 17/32" | 41/64" | Inch |
| 83-98-952G | 5/16" | L | Gray | 27/32" | 17/32" | 41/64" | Inch |
| 83-98-952N | 5/16" | L | Natural | 27/32" | 17/32" | 41/64" | Inch |
| 83-98-952R | 5/16" | L | Red | 27/32" | 17/32" | 41/64" | Inch |
| 83-98-952Y | 5/16" | L | Yellow | 27/32" | 17/32" | 41/64" | Inch |
| Fits Screw | Style | Color | Measure Unit |
