Bolts
Since 1957, GVN Güven Civata has been producing bolts by cold forming. We stock the bolt types most used by the furniture industry — carriage bolts (round head), square neck bolts, hex head bolts, hex lag screws, socket…
HEXAGON SOCKET SET SCREWS WITH CAP POINT PLAIN (10.9)
Diameter From M3 to M16Length From 6mm to 60mm
HEXAGON SOCKET COUNTERSUNK HEAD CAP SCREW (10.9)
Diameter From M4 to M20Length From 8mm to 80mm
HEXAGON SOCKET COUNTERSUNK HEAD CAP SCREW PLAIN (10.9)
Diameter From M4 to M20Length From 8mm to 80mm
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Since 1957, GVN Güven Civata has been producing bolts by cold forming. We stock the bolt types most used by the furniture industry — carriage bolts (round head), square neck bolts, hex head bolts, hex lag screws, socket head cap screws, low head socket screws, flange bolts and set screws — in property classes 6.8, 8.8 and 10.9 with zinc white (Zn Cr+3) and black finishes.
Metric (M3–M36) and Whitworth (1/4", 5/16", 3/8") sizes are available in lengths from 6 mm to 300 mm for sofa frames, bed bases, metal furniture and general assembly.
Frequently asked questions
Which bolts are used in furniture?
Furniture frames mostly use furniture (frame) bolts with wood nuts; metal frames use socket (Allen) bolts and rivet nuts; panel furniture uses minifix connectors and chipboard screws. GVN Güven Civata supplies all of them in various sizes and finishes.
What is a furniture frame bolt?
A furniture frame bolt joins wooden frame parts together with a wood nut; it usually has a flat or round head with a hex socket. It is widely used in sofa, armchair and bed base frames. GVN Güven Civata manufactures frame bolts in-house by cold forming.
What do property classes 8.8 and 10.9 on bolts mean?
The marking shows the strength class. The first number is one hundredth of the tensile strength (8 → 800 MPa) and the second is the ratio of yield to tensile strength (0.8). So an 8.8 bolt has about 800 MPa tensile and 640 MPa yield strength. Highly loaded joints use 10.9 or 12.9.
What is the difference between socket (Allen) bolts and hex bolts?
A socket bolt has a hexagonal recess in its head for an Allen key and suits tight spaces or flush finishes; a hex bolt is tightened from the outside with a spanner. Furniture metal frames and table legs usually use socket bolts.