Rough Slotted Flat Head Bolt

This rough slotted flat head bolt has a rounded conical head with a slotted groove for easy tool installation and removal. Xiaoguo®’s bolts have undergone strict testing and comply with the standard of JIS B1179-1.2-1994. We are online 24 hours a day, so you can ask us about the details of the products at any time.

Model:JIS B1179-1.2-1994

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Product Description

The head of rough slotted flat head bolt is flat and there is a straight groove at the top, which is convenient for you to install and disassemble. Its surface has not undergone fine grinding treatment and is relatively rough. We have multiple sizes and materials to choose from.

Product details

Rough slotted flat head bolt can be used to quickly repair farm tools. When the shear bolts of the hay baler break in the field, you can use them for installation. Its anti-rust effect is obvious, so it can last throughout the season. The slot of the bolt is compatible with a common screwdriver. You just need to sink it into the well to make it flat, so that the loose hay won't get stuck and jam the mechanical device.

The slotted flat head bolt can effectively handle grain dust and they are often used to fix crossbars in metal boxes. Their surfaces can cover the accumulation of dirt. Even if it is contaminated with wheat bran, the slotted bolts can still be tightened.

This slotted flat head bolt can handle rock dust, and you can use them to repair broken racks in the middle of the shift. Flush drive, allowing materials to flow freely. The rough surface matches the dirty equipment. When a nut that has loosened due to vibration needs to be retightened, you can use a regular screwdriver to operate.

Product Features

The surface of rough slotted flat head bolt is rough, and they can have advantages in certain scenarios. For instance, when setting up a simple wooden tool shed outdoors, the ground may not be very flat. Using them to fix the frame of the shed can make better contact with the wood, increase friction and prevent the frame from moving.

rough slotted flat head bolt

Mon	M10	M12	M14	M16	M18	M20	M22	M24	M30	M36
P	1.5	1.75	2	2	2.5	2.5	2.5	3	3.5	4
dk max	20	24	27	30	33	36	36	39	48	57
dk min	18.7	22.7	25.7	28.7	31.4	34.4	34.4	37.4	46.4	55.1
ds max	10.7	12.9	14.9	16.9	18.9	20.95	22.95	24.95	30.95	37.2
ds min	9.8	11.75	13.75	15.75	17.75	19.65	21.65	23.65	29.65	35.6
k max	5.7	6.7	7.2	7.7	8.2	8.8	13.6	14.4	17	19.7
n max	2.25	2.25	3.25	3.25	3.25	4.3	4.3	4.3	5.3	6.3
n min	2	2	3	3	3	4	4	4	5	6
t max	2.9	2.9	4	4	4	5	5.5	5.5	6.5	7.6
t min	2.1	2.1	3	3	3	4	4.5	4.5	5.5	6.4
α max	95°	95°	95°	95°	95°	95°	65°	65°	65°	65°
α min	90°	90°	90°	90°	90°	90°	60°	60°	60°	60°