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SELF TAPPING SCREWS

To ensure self tapping screws can be easily identified, they are stored in a numerical sequence. The clear advantage of this system is that alternatives can quickly be found if say a slightly longer screw is needed. Always ensure the correct style and length of screws are used for a particular job.

Original Triumph part numbers are invariably superseded to part numbers in this sequence.

All self tapping screws are numbered as follows:

Prefix = SS

1^st Number: - 1 = English 2 = Metric

2^nd/3^rd Numbers: - Gauge Number or diameter in mm

4^th/5^thNumbers: - Length in 1/8^th of an inch or mm from under the head to the end, except countersunk screws where the depth of the countersink is included

6^thNumber: - Head type

1 = pan slot

2 = pan pozi

3 = cks slot

4 = cks pozi

5 = raised cks slot

6 = raised cks pozi

7 = flanged pozi

7^th Number : - Finish plus variations

1 = BZP

2 = chrome

3 = black

4 = BZP spire screw (no point)

9 = none standard variations

Thread reference table

Self Tapping Thread Gauge Diameter	Thread Diameter (mm)	Threads per Inch (TPI)	Thread Pitch (mm)
No. 2	2.20	32	0.79
No. 4	2.90	24	1.06
No. 6	3.50	20	1.27
No. 7	3.90	19	1.34
No. 8	4.20	18	1.41
No. 10	4.80	16	1.59
No. 12	5.50	14	1.81

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Part No.	Description and Comments	Price	Add to Cart
SS1080473	SCREW ST No 8x1/2" FLG POZI BLK Revington TR information: Screw, self-tapping, number 8, 1/2" long flanged, Pozidrive black	£0.16 Ex VAT @ 20% £0.13
SS1080562	SCREW ST No 8x5/8" CSK RSD POZI CHR	£0.38 Ex VAT @ 20% £0.32
SS1080563	SCREW ST No 8x5/8" CSK RSD POZI BLK	£0.54 Ex VAT @ 20% £0.45
SS1080611	SCREW ST No 8x3/4" PAN SLT BZP		No longer available
SS1080621	SCREW ST No 8x3/4" PAN POZI BZP This item has been superceded by SS1080624 - see below
SS1080624 CLICK FOR MORE INFO	SCREW ST NO8 X 3/4" POZI PAN Revington TR information: This number 8 X 3/4" Spire Screw has a POZI drive pan head and a blunt end for use with spire Nuts. It is NOT a self-tapping screw.	£0.26 Ex VAT @ 20% £0.22	Currently unavailable
SS1080624 CLICK FOR MORE INFO	SCREW ST NO8 X 3/4" POZI PAN Revington TR information: This number 8 X 3/4" Spire Screw has a POZI drive pan head and a blunt end for use with spire Nuts. It is NOT a self-tapping screw.	£0.26 Ex VAT @ 20% £0.22	Currently unavailable
SS1080641	SCREW ST No8x3/4" CKS-POZI-BZP	£0.08 Ex VAT @ 20% £0.07
SS1080651	SCREW ST No8x3/4" CKSrsd-SLT-BZP Revington TR information: Screw Self Tapping No.8 X 3/4" Raised, Countersunk, Slotted, BZP	£0.42 Ex VAT @ 20% £0.35
SS1080661	SCREW ST NO.8 X 3/4 RCSK BZP Revington TR information: Screw Self Tapping No.8 X 3/4" Raised, Countersunk, pozidrive, BZP	£0.54 Ex VAT @ 20% £0.45
SS1080663	SCREW ST NO.8 X 3/4 POZI RCSK BLK		No longer available
SS1080673	SCREW ST NO 8x3/4 POZI FLANGE BLK Revington TR information: Screw, self-tapping, number 8, 3/4" long flanged, Pozidrive black	£0.42 Ex VAT @ 20% £0.35
SS1080761	SCREW ST NO.8 X 7/8" Raised CSK BZP	£0.46 Ex VAT @ 20% £0.38
SS1080855	SCREW ST No 8 x 1" RSD CSK Slot stainless steel	£0.76 Ex VAT @ 20% £0.63
SS1080861	SCREW ST No8x1" CKSrsd-POZI-BZP	£0.43 Ex VAT @ 20% £0.36	Currently unavailable
SS1080863	SCREW ST No8 x 1" CSK RSD POSI BLK Revington TR information: Self tapping screw; Number 8, 1" long raised countersunk, black.	£0.65 Ex VAT @ 20% £0.54	Currently unavailable
SS1080873	SCREW BLACK No. 8 X 1 INCH BLACK Revington TR information: Screw, self-tapping, number 8, 1" long flanged, Pozidrive black	£0.49 Ex VAT @ 20% £0.41
SS1081043	SCREW ST No8x1-1/4" CKS-SLT-BLK	£0.42 Ex VAT @ 20% £0.35
SS1081063	SCREW ST No8x1-1/4CSKrsd POSI BLK		No longer available
SS1081263	SCREW ST No8x1-1/2CSKrsd POZI BLK	£0.49 Ex VAT @ 20% £0.41
SS1100316 CLICK FOR MORE INFO	SCREW ST NO.10 X 3/8" Pan head slotted stainless steel Black	£0.70 Ex VAT @ 20% £0.58
SS1100321 CLICK FOR MORE INFO	SCREW ST NO.10 X 3/8 POZI PAN BZP		No longer available
SS1100341	SCREW ST NO.10 X 3/8 POZI CSK BZP		No longer available
SS1100411	SCREW ST.NO10x1/2" PAN-SLOT-BZP	£0.14 Ex VAT @ 20% £0.12
SS1100421	SCREW ST No10 X 1/2" PAN-POZI-BZP	£0.14 Ex VAT @ 20% £0.12
SS1100451	SCREW ST No10 X 1/2" CKS-RAISED-SLOT-BZP		No longer available
SS1100521	SCREW ST NO10 X 5/8" PAN POZI	£0.36 Ex VAT @ 20% £0.30
SS1100611 CLICK FOR MORE INFO	SCREW SELF TAPPER No. 10 x 3/4" SLOT PAN	£0.56 Ex VAT @ 20% £0.47	Currently unavailable
SS1100616 CLICK FOR MORE INFO	SCREW SELF TAPPER No.10 x 3/4" Slotted Pan Head Stainless steel Black	£0.76 Ex VAT @ 20% £0.63
SS1100621	SCREW S/TAP No10X3/4 POSI PAN BZP	£0.28 Ex VAT @ 20% £0.23
SS1100641	SCREW S/T NO10 X 3/4 CSK-POSI-FLAT-BZP	£0.46 Ex VAT @ 20% £0.38
SS1100655	SCREW ST No 10 x 3/4" RSD CSK Slot stainless steel	£0.86 Ex VAT @ 20% £0.72
SS1100811	SCREW ST No 10x1" PAN SLT BZP Revington TR information: NOT CURRENTLY AVAILABLE	£0.36 Ex VAT @ 20% £0.30
SS1100812	SCREW ST No 10x1" PAN SLT CRM		No longer available
SS1101211	SCREW ST No10x1-1/2" PAN SLT BZP	£0.52 Ex VAT @ 20% £0.43
SS1101221	SCREW ST No10x1-1\2" PAN POZI BZP	£0.54 Ex VAT @ 20% £0.45