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  • Steel Hex Bolt, Grade 8, Zinc Yellow-Chromate Plated Finish, Hex Head, External Hex Drive, Meets ASME B18.2.1/SAE J429, 3-1/4" L
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    From $3.75 (New)

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Buy from Amazon $23.40$3.75 $25.00 $19.38 $13.75 $8.13 Jul Sep Nov Jan Mar May Jul Sep Nov Jan Mar May 2014 $13.78, May 8 - May 22$13.19, May 23 - Jun 4$23.40, Jun 6 1:33 am$16.48, Jun 7 - Jul 12$15.65, Jul 13 7:53 am$14.87, Jul 14 5:14 pm$13.42, Jul 17 - Jul 21$9.67, Jul 24 1:45 am$9.63, Jul 25 9:29 pm$9.57, Jul 27 4:29 pm$9.51, Jul 29 12:25 pm$9.43, Jul 31 - Aug 1$9.34, Aug 3 2:02 am$9.28, Aug 4 12:04 am$8.38, Aug 5 10:17 pm$7.56, Aug 8 4:07 am$6.82, Aug 10 7:43 am$6.20, Aug 12 5:59 am$5.89, Aug 13 7:13 am$5.41, Aug 15 6:49 am$4.64, Aug 17 12:31 pm$4.43, Aug 19 8:30 pm$4.42, Aug 20 - Aug 21$4.41, Aug 22 - Aug 24$4.42, Aug 25 - Aug 27$4.41, Aug 28 - Aug 30$4.39, Sep 1 8:55 pm$4.38, Sep 4 4:26 am$4.36, Sep 6 10:22 am$4.56, Sep 8 - Sep 22$8.20, Sep 23 - Oct 4$8.16, Oct 5 - Oct 7$7.42, Oct 8 1:47 pm$7.42, Oct 9 4:57 pm$6.70, Oct 10 6:56 pm$6.37, Oct 11 8:48 pm$5.75, Oct 13 11:35 pm$5.19, Oct 16 3:49 am$4.68, Oct 18 7:33 am$4.56, Oct 20 - Dec 3$4.34, Dec 5 9:42 pm$4.35, Dec 7 8:54 pm$4.36, Dec 9 10:24 pm$4.33, Dec 11 11:20 pm$4.36, Dec 13 10:56 pm$4.35, Dec 15 - Dec 17$4.37, Dec 22 10:13 am$4.38, Dec 23 - Dec 26$4.39, Dec 28 - Dec 30$4.38, Dec 31 5:43 pm$4.37, Jan 2 11:49 am$4.34, Jan 4 3:47 am$4.36, Jan 6 - Jan 10$4.34, Jan 11 11:53 pm$4.36, Jan 13 11:31 am$4.35, Jan 15 4:00 am$4.34, Jan 16 - Jan 18$4.38, Jan 20 - Jan 21$4.40, Jan 23 - Jan 25$4.38, Jan 26 7:44 pm$4.39, Jan 28 12:47 pm$4.38, Jan 30 5:47 am$4.39, Feb 1 - Feb 6$4.44, Feb 8 5:18 am$4.46, Feb 10 12:24 am$4.45, Feb 11 7:30 pm$4.44, Feb 13 2:20 pm$4.41, Feb 15 10:23 am$4.22, Feb 17 9:59 am$4.45, Feb 19 7:00 am$4.46, Feb 21 4:52 am$4.43, Feb 23 1:55 am$4.47, Feb 24 11:40 pm$4.46, Feb 26 9:53 pm$4.44, Feb 28 7:07 pm$4.40, Mar 3 8:31 am$4.41, Mar 5 8:35 am$4.39, Mar 7 - Mar 9$4.40, Mar 11 3:38 pm$4.42, Mar 13 11:50 pm$4.40, Mar 17 - Mar 19$4.39, Mar 21 9:30 am$4.37, Mar 23 4:27 pm$4.34, Mar 26 12:16 am$4.33, Mar 28 8:01 am$4.29, Mar 30 4:36 pm$4.28, Apr 2 5:08 am$4.27, Apr 4 7:24 pm$4.24, Apr 7 9:06 am$4.23, Apr 10 2:36 am$4.22, Apr 12 9:00 pm$4.27, Apr 15 5:12 pm$4.23, Apr 18 6:38 am$4.22, Apr 20 11:41 pm$4.25, Apr 23 4:13 pm$4.23, Apr 26 8:27 pm$3.83, Apr 28 - May 1$4.12, May 2 - May 10$12.14, May 12 - May 17$12.46, May 20 - May 31$12.85, Jun 2 - Jun 4$12.84, Jun 7 5:32 am$11.59, Jun 9 9:51 am$10.46, Jun 11 10:57 am$8.52, Jun 15 5:38 am$6.94, Jun 19 12:01 am$6.59, Jun 22 5:38 pm$5.37, Jun 26 1:13 pm$4.61, Jun 30 1:58 pm$4.63, Jul 4 5:48 pm$4.62, Jul 10 10:18 am$3.96, Jul 13 3:11 am$3.82, Jul 15 1:31 am$4.57, Jul 16 10:25 pm$4.41, Jul 18 5:41 pm$4.40, Jul 20 2:57 pm$13.35, Jul 23 - Aug 2$12.68, Aug 3 9:53 am$12.05, Aug 4 2:51 pm$13.08, Aug 6 - Aug 17$12.93, Aug 21 - Sep 13$13.24, Sep 17 - Sep 24$14.00, Sep 28 - Oct 22$13.33, Oct 26 - Nov 7$13.28, Nov 11 - Nov 20$13.04, Nov 24 - Dec 4$13.43, Dec 9 - Dec 19$13.24, Dec 24 - Jan 3$12.76, Jan 8 - Jan 18$12.94, Jan 23 2:16 am$12.86, Jan 28 - Feb 2$13.47, Feb 7 - Feb 12$8.79, Feb 17 7:34 pm$7.93, Feb 23 8:50 am$7.07, Feb 28 4:47 pm$7.13, Mar 12 1:20 pm$5.07, Mar 24 11:37 am$3.83, Apr 4 11:57 pm$3.75, Apr 16 3:28 pm 14,825548,983 625,000 468,750 312,500 156,250 Oct Dec Feb Apr Jun Aug Oct Dec Feb Apr Jun 2015 2016

Price Details

New

Last Seen $3.75 Apr 16, '16
Highest $23.40 Jun 6, '14
Lowest $3.75 Apr 16, '16
Average $4.45 (30d avg)
$8.64 (90d avg)
$10.95 (180d avg)
$10.62 (365d avg)
$8.99 (Lifetime average)
Added May 8, 2014

3rd Party New

Last Seen $7.42 Oct 9, '14
Highest $7.42 Oct 9, '14
Lowest $7.42 Oct 9, '14
Average $7.42 (Overall average)
Added May 8, 2014

Sales Rank

30 day average: 461,264
90 day average: 434,800

Product Description

The grade 8 steel hex bolt has a zinc yellow-chromate plated finish and an external hex drive, and meets American Society of Mechanical Engineers ASME B18.2.1 and Society of Automotive Engineers SAE J429 specifications. Grade 8 steel, composed of quenched and tempered medium carbon alloy steel, is stronger than grade 5 steel and is often used in applications where strength is the primary concern. The material is magnetic. The zinc yellow-chromate plating offers good corrosion resistance. The external hex drive has six flat sides that a wrench can grip to turn the screw from the side, enabling use when there is no space above the head for a driver.Cap screws and hex bolts are threaded fasteners with thick hex-shaped heads that can be used with threaded nuts or in areas with limited clearance above the tapped (threaded) hole. Cap screws have slightly different dimensions than hex bolts and have a washer face underneath their unflanged hex head to act as a large bearing surface against the mating material.

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